APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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