Style de citation APA (7e éd.)

50188, U. D. o. A. W. D. (1977). Agricultural Statistics 1977. Washington D.C : US Government Printing Office.

Style de citation Chicago (17e éd.)

50188, US Department of Agriculture. Washington D.C. Agricultural Statistics 1977. Washington D.C : US Government Printing Office, 1977.

Style de citation MLA (8e éd.)

50188, US Department of Agriculture. Washington D.C. Agricultural Statistics 1977. Washington D.C : US Government Printing Office, 1977.

Style de citation IICA/CATIE

50188, U. D. o. A. W. D. 1977. Agricultural Statistics 1977. Washington D.C : US Government Printing Office.