Author: Name(s) of each individual or organizational entity responsible for the creation of the dataset.
Date of Publication: Year the dataset was published and disseminated.
Title: Complete title of the dataset, including edition or version number, if applicable.
Publisher and/or distributor: Organizational entity that makes the dataset available for archiving, producing, publishing, and/or distributing.
Electronic Location or Identifier: Web address or unique, persistent global identifier user to locate the dataset (such as a DOI). Apprend the data retrieved if the itle and locator are not specific to the exact instance of the data you used.
Example APA (6th edition):
Smith, T.W., Marsden, P.V. & Hout, M. (2011). General social survey, 1972-2010 cumulative file (ICPSR31521-v1) [data file and codebook]. Chicago, IL: International Opinion Research Centre [producer]. Ann Arbor, MI: Interuniversty Consortium for Political and Social Research [distributor]. doi: 10:3886/ICPSR31521.v1