APA Citation

(1957). Soil: The yearbook of agriculture 1957. Washington, D.C.: USDA.

Chicago Style Citation

Soil: The Yearbook of Agriculture 1957. Washington, D.C.: USDA, 1957.

MLA Citation

Soil: The Yearbook of Agriculture 1957. Washington, D.C.: USDA, 1957.

Warning: These citations may not always be 100% accurate.