APA (7th ed.) Citation

United States. Department of Agriculture & United States. Department of Agriculture. (1961). Seeds: The yearbook of agriculture 1961. United States. Department of Agriculture.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture and United States. Department of Agriculture. Seeds: The Yearbook of Agriculture 1961. U. S.: United States. Department of Agriculture, 1961.

MLA (9th ed.) Citation

United States. Department of Agriculture and United States. Department of Agriculture. Seeds: The Yearbook of Agriculture 1961. United States. Department of Agriculture, 1961.