Cita APA (7a ed.)

U. S. Department of Agriculture. (1957). Soil. The Yearbook of Agriculture 1957. Government Printing Office.

Cita Chicago Style (17a ed.)

U. S. Department of Agriculture. Soil. The Yearbook of Agriculture 1957. Washington: Government Printing Office, 1957.

Cita MLA (9a ed.)

U. S. Department of Agriculture. Soil. The Yearbook of Agriculture 1957. Government Printing Office, 1957.