Just as authors and research publications benefit when they are cited by other researchers, the same holds true when the research data itself is cited.
Not only does citing datasets in your publications help researchers find the data you use, data citation also enables reuse and facilitates a recognition of the impact of research data. Many citation styles, such as APA, have a recommended format for citing datasets.
DataCite.org is also an excellent resource for information on how and why citing research datasets is becoming so important in the research world.
DataCite.org also includes example for citing data even recommending a minimum format:
• Creator (PublicationYear): Title. Publisher. Identifier