Natural resources data bases : hearing before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, Ninety-seventh Congress, first session, June 2, 1981

Chicago citation style
United States. Congress. House. Committee on Agriculture. Subcommittee on Department Operations, Research, and Foreign Agriculture. Natural resources data bases : hearing before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, Ninety-seventh Congress, first session, June 2, 1981. 1981. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419098. (Accessed December 18, 2018.)
APA citation style
United States. Congress. House. Committee on Agriculture. Subcommittee on Department Operations, Research, and Foreign Agriculture, (1981) Natural resources data bases : hearing before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, Ninety-seventh Congress, first session, June 2, 1981. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/007419098
MLA citation style
United States. Congress. House. Committee on Agriculture. Subcommittee on Department Operations, Research, and Foreign Agriculture. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/007419098>.
Note: These citations are programmatically generated and may be incomplete.