Cita APA (7th ed.)

United States. Dept. of Labor. (1959). Farm labor fact book. Govt. Print. Office.

Cita Chicago (17th ed.)

United States. Dept. of Labor. Farm Labor Fact Book. Washington, D.C.: Govt. Print. Office, 1959.

Cita MLA (8th ed.)

United States. Dept. of Labor. Farm Labor Fact Book. Govt. Print. Office, 1959.