Citazione Stile APA (7a Edizione)

(1960). Talks on rural zoning. U.S. Dept. of Agriculture.

Citazione stile Chigago Style (17a edizione)

Talks on Rural Zoning. Washington, D.C: U.S. Dept. of Agriculture, 1960.

Citatione MLA (9a ed.)

Talks on Rural Zoning. U.S. Dept. of Agriculture, 1960.