If the database is used please site one of the following references depending on what the database is used for:
LT alleles LT1-L16 PMCID: PMC2293181 [ncbi.nlm.nih.gov]
LT alleles LT17 – LT 28 PMCID: PMC4272596 [ncbi.nlm.nih.gov]
ST alleles DOI: 10.1016/j.ijmm.2016.05.016 [doi.org]
If you use the database for annotation you can use this reference: Add reference