diff --git a/gallia.csl b/gallia.csl
index 0d380282cd7..505ab59842e 100644
--- a/gallia.csl
+++ b/gallia.csl
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
-<style xmlns="http://purl.org/net/xbiblio/csl" version="1.0" class="in-text" demote-non-dropping-particle="sort-only" default-locale="fr-FR" page-range-format="expanded">
+<style xmlns="http://purl.org/net/xbiblio/csl" version="1.0" class="in-text" demote-non-dropping-particle="sort-only" page-range-format="expanded" default-locale="fr-FR">
   <info>
     <title>Gallia (Français)</title>
     <id>http://www.zotero.org/styles/gallia</id>
     <link href="http://www.zotero.org/styles/gallia" rel="self"/>
-    <link href="http://www.mae.u-paris10.fr/recommandations-aux-auteurs-gallia/" rel="documentation"/>
+    <link href="https://journals.openedition.org/gallia/1305#tocto1n5" rel="documentation"/>
     <author>
       <name>Nicolas Monteix</name>
       <email>nicolas.monteix@univ-rouen.fr</email>
@@ -14,41 +14,66 @@
     <category field="anthropology"/>
     <issn>0016-4119</issn>
     <eissn>2109-9588</eissn>
-    <summary>Author-date style for Gallia - Archéologie de la France antique</summary>
-    <updated>2017-02-14T01:36:46+00:00</updated>
+    <summary>Author-date style for Gallia - Archéologie des Gaules. Extra fields needed for exhibition catalogues: genre, event place, event date; place is to be empty replaced by publisher place in extra field.
+    Voir si maintien de verbe conjugué pour éd/trad. textes anciens. Solution possible via IFAO</summary>
+    <updated>2020-08-20T01:59:23+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
-  <locale xml:lang="fr">
+  <locale xml:lang="fr-FR">
     <terms>
       <term name="editor" form="short">dir.</term>
-      <term name="in">dans</term>
-      <term name="anonymous">anonyme</term>
-      <term name="anonymous" form="short">anon.</term>
+      <term name="in">in</term>
       <term name="accessed">consulté le</term>
+      <term name="paragraph" form="short">§</term>
       <term name="no date">sans date</term>
       <term name="no date" form="short">s.&#160;d.</term>
+      <term name="translator" form="verb-short">éd. et trad. par</term>
     </terms>
   </locale>
+  <macro name="genre">
+    <choose>
+      <if type="book chapter" variable="genre">
+        <group delimiter=", ">
+          <text variable="genre"/>
+          <text variable="event-place"/>
+          <date variable="event-date" form="text"/>
+        </group>
+      </if>
+    </choose>
+  </macro>
+  <macro name="translator">
+    <names variable="translator" delimiter=", ">
+      <label form="verb-short" suffix=" "/>
+      <name name-as-sort-order="all" sort-separator=" " initialize-with="." delimiter=", "/>
+    </names>
+  </macro>
   <macro name="author">
     <names variable="author" delimiter=", ">
-      <name name-as-sort-order="all" font-variant="small-caps" sort-separator=" " initialize-with="." delimiter=", "/>
+      <name name-as-sort-order="all" sort-separator=" " initialize-with="." delimiter=", "/>
       <substitute>
         <text macro="editor"/>
       </substitute>
     </names>
   </macro>
   <macro name="editor">
-    <names variable="editor">
-      <name name-as-sort-order="all" font-variant="small-caps" sort-separator=" " initialize-with="." delimiter=", "/>
-      <label form="short" font-variant="small-caps" text-case="lowercase" prefix=" (" suffix=")"/>
-      <substitute>
+    <choose>
+      <if variable="container-author">
         <text macro="container-author"/>
-      </substitute>
-    </names>
+      </if>
+      <else-if variable="editor">
+        <names variable="editor">
+          <name name-as-sort-order="all" sort-separator=" " initialize-with="." delimiter=", "/>
+          <label form="short" text-case="lowercase" prefix=" (" suffix=")"/>
+        </names>
+      </else-if>
+      <else>
+        <text value="Collectif"/>
+      </else>
+    </choose>
   </macro>
   <macro name="container-author">
     <names variable="container-author" delimiter=", ">
-      <name name-as-sort-order="all" font-variant="small-caps" sort-separator=" " initialize-with="." delimiter=", "/>
+      <name name-as-sort-order="all" sort-separator=" " initialize-with="." delimiter=", "/>
       <et-al font-style="italic" font-variant="normal"/>
     </names>
   </macro>
@@ -67,10 +92,18 @@
     </names>
   </macro>
   <macro name="editor-short">
-    <names variable="editor">
-      <name form="short" delimiter=", "/>
-      <et-al font-variant="normal" font-style="italic"/>
-    </names>
+    <choose>
+      <if variable="editor">
+        <names variable="editor">
+          <name form="short" delimiter=", "/>
+          <label form="short" text-case="lowercase" prefix=" "/>
+          <et-al font-variant="normal" font-style="italic"/>
+        </names>
+      </if>
+      <else>
+        <text value="Collectif"/>
+      </else>
+    </choose>
   </macro>
   <macro name="access">
     <group>
@@ -88,10 +121,26 @@
       <text variable="collection-number"/>
     </group>
   </macro>
+  <macro name="container-title">
+    <choose>
+      <if variable="container-title">
+        <group delimiter=", ">
+          <text variable="container-title" font-style="italic"/>
+          <text macro="genre"/>
+        </group>
+      </if>
+      <else>
+        <text variable="title" font-style="italic"/>
+      </else>
+    </choose>
+  </macro>
   <macro name="title">
     <choose>
       <if type="book" match="any">
-        <text variable="title" font-style="italic"/>
+        <group delimiter=", ">
+          <text variable="title" font-style="italic"/>
+          <text macro="genre"/>
+        </group>
       </if>
       <else-if type="webpage" match="any">
         <text variable="title"/>
@@ -140,15 +189,34 @@
       <key variable="issued"/>
     </sort>
     <layout prefix="(" suffix=")" delimiter="&#160;; ">
-      <text macro="author-short" suffix=", "/>
-      <text macro="year-date"/>
-      <group prefix=",&#160;">
-        <label variable="locator" form="short" suffix=".&#160;"/>
-        <text variable="locator"/>
+      <choose>
+        <if variable="translator">
+          <text macro="author-short" suffix=", "/>
+          <text variable="title" form="short" font-style="italic"/>
+        </if>
+        <else>
+          <text macro="author-short" suffix=", "/>
+          <text macro="year-date"/>
+        </else>
+      </choose>
+      <group prefix=", ">
+        <choose>
+          <if locator="paragraph issue" match="any">
+            <label variable="locator" form="short" suffix="&#160;"/>
+            <text variable="locator"/>
+          </if>
+          <else-if locator="page">
+            <text variable="locator"/>
+          </else-if>
+          <else>
+            <label variable="locator" form="short" suffix=".&#160;"/>
+            <text variable="locator"/>
+          </else>
+        </choose>
       </group>
     </layout>
   </citation>
-  <bibliography subsequent-author-substitute="">
+  <bibliography>
     <sort>
       <key macro="author"/>
       <key variable="issued"/>
@@ -156,34 +224,46 @@
       <key variable="title"/>
     </sort>
     <layout suffix=".">
-      <group display="block">
-        <text macro="author" suffix="&#9;"/>
+      <group delimiter=" " font-weight="bold">
+        <choose>
+          <if variable="translator">
+            <text macro="author"/>
+          </if>
+          <else>
+            <text macro="author"/>
+            <text macro="year-date" suffix="&#160;"/>
+          </else>
+        </choose>
       </group>
-      <group display="left-margin">
-        <text macro="year-date" suffix="&#160;: &#9;"/>
+      <group prefix=": ">
         <choose>
-          <if type="thesis">
+          <if type="thesis report">
             <group delimiter=", " suffix=".">
               <text macro="title" font-style="italic"/>
               <text variable="genre"/>
               <text variable="publisher"/>
-              <text variable="publisher-place"/>
               <group>
-                <text variable="number-of-pages" suffix=" p."/>
+                <choose>
+                  <if variable="number-of-pages" match="any">
+                    <text variable="number-of-pages" suffix=" p."/>
+                  </if>
+                  <else>
+                    <text variable="page" suffix=" p."/>
+                  </else>
+                </choose>
               </group>
             </group>
           </if>
           <else-if type="webpage">
-            <group>
-              <text macro="title" font-style="italic"/>
-              <text variable="URL" prefix=", "/>
-              <text prefix=" (" macro="access" suffix=")"/>
+            <group delimiter=", ">
+              <text macro="title"/>
+              <text macro="container-title"/>
             </group>
           </else-if>
-          <else-if type="article-journal article-magazine article-newspaper broadcast personal_communication thesis entry-dictionary entry-encyclopedia" match="any">
+          <else-if type="article-journal article-magazine article-newspaper broadcast personal_communication" match="any">
             <group delimiter=", " suffix=".">
-              <text macro="title" quotes="true"/>
-              <text variable="container-title" font-style="italic"/>
+              <text macro="title"/>
+              <text macro="container-title"/>
               <text variable="volume"/>
               <text variable="issue"/>
               <text macro="pages"/>
@@ -192,6 +272,7 @@
           <else-if type="book graphic" match="any">
             <group suffix=".">
               <text macro="title" suffix=", "/>
+              <text macro="translator" suffix=", "/>
               <text macro="edition"/>
               <text macro="publisher"/>
               <text macro="collection"/>
@@ -200,19 +281,34 @@
               </group>
             </group>
           </else-if>
-          <else-if type="chapter paper-conference" match="any">
-            <text macro="title" quotes="true" suffix=", "/>
+          <else-if type="chapter paper-conference entry-dictionary entry-encyclopedia" match="any">
+            <text macro="title" suffix=", "/>
             <group>
-              <text value="in" font-style="italic" suffix=" "/>
+              <text value="in" suffix=" "/>
               <text macro="editor" suffix=", "/>
-              <text variable="container-title" font-style="italic"/>
+              <text macro="container-title"/>
               <text macro="publisher" prefix=", "/>
               <text macro="collection"/>
               <text macro="pages" prefix=", " suffix="."/>
             </group>
           </else-if>
+          <else>
+            <group suffix=".">
+              <text macro="title" suffix=", "/>
+              <text macro="edition"/>
+              <text macro="publisher"/>
+              <text macro="collection"/>
+              <group>
+                <text variable="number-of-pages" prefix=", " suffix=" p."/>
+              </group>
+            </group>
+          </else>
         </choose>
       </group>
+      <group prefix=" [" suffix="]" delimiter=", ">
+        <text variable="URL" prefix="URL&#160;: "/>
+        <text macro="access"/>
+      </group>
     </layout>
   </bibliography>
 </style>