Citazione Stile APA (7a Edizione)

Bunce, A. C. (1945). The economics of soil conservation. The Iowa States College.

Citazione stile Chigago Style (17a edizione)

Bunce, Arthur C. The Economics of Soil Conservation. Ames: The Iowa States College, 1945.

Citatione MLA (9a ed.)

Bunce, Arthur C. The Economics of Soil Conservation. The Iowa States College, 1945.