Style de citation APA (7e éd.)

United States. World Agricultural Outlook Board, United States. Foreign Agricultural Service, & United States. Foreign Agricultural Service. Foreign Production Estimates Division. (1987). World crop production. U.S. Dept. of Agriculture, Foreign Agricultural Service.

Style de citation Chicago (17e éd.)

United States. World Agricultural Outlook Board, United States. Foreign Agricultural Service, et United States. Foreign Agricultural Service. Foreign Production Estimates Division. World Crop Production. [Washington, D.C.]: U.S. Dept. of Agriculture, Foreign Agricultural Service, 1987.

Style de citation MLA (8e éd.)

United States. World Agricultural Outlook Board, et al. World Crop Production. U.S. Dept. of Agriculture, Foreign Agricultural Service, 1987.