United States Department of Agriculture. (1956). Water: The yearbook of agriculture 1955. The United States Government Printing Office.
Citação norma ChicagoUnited States Department of Agriculture. Water: The Yearbook of Agriculture 1955. Washington, D.C: The United States Government Printing Office, 1956.
Citação norma MLAUnited States Department of Agriculture. Water: The Yearbook of Agriculture 1955. The United States Government Printing Office, 1956.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.