Citazione Stile APA (7a Edizione)

United States. Dept. of Agriculture & Alexander, G. (1976). The Face of rural America. U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off..

Citazione stile Chigago Style (17a edizione)

United States. Dept. of Agriculture e Gene Alexander. The Face of Rural America. Washington: U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976.

Citatione MLA (8a ed.)

United States. Dept. of Agriculture e Gene Alexander. The Face of Rural America. U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1976.