Cita APA (7a ed.)

Estados Unidos. Department of Agriculture. (1978). Yearbook of agriculture. U.S. G.P.O.

Cita Chicago Style (17a ed.)

Estados Unidos. Department of Agriculture. Yearbook of Agriculture. Washington: U.S. G.P.O, 1978.

Cita MLA (9a ed.)

Estados Unidos. Department of Agriculture. Yearbook of Agriculture. U.S. G.P.O, 1978.