Cita APA (7th ed.)

United States Department of Agriculture. (1956). Water: The yearbook of agriculture 1955. The United States Government Printing Office.

Cita Chicago (17th ed.)

United States Department of Agriculture. Water: The Yearbook of Agriculture 1955. Washington, D.C: The United States Government Printing Office, 1956.

Cita MLA (9th ed.)

United States Department of Agriculture. Water: The Yearbook of Agriculture 1955. The United States Government Printing Office, 1956.

Atenció: Aquestes cites poden no estar 100% correctes.