The publisher may have author guidelines on how to cite data. You may also look for examples from previously published papers. The repository or source of the dataset may have suggestions. If there are no recommended data citation models, use DataCite recommendations for the minimum format for citing data:
Required elements
Optional elements:
Recommended forms of a data citation are:
Creator (PublicationYear). Title. Publisher. Identifier
Creator (PublicationYear). Title. Version. Publisher. ResourceType. Identifier