APA (7th ed.) Citation

Cohen, R. L. (1949). The economics of agriculture (New ed.). Pitman Pub. Corp..

Chicago Style (17th ed.) Citation

Cohen, Ruth Louisa. The Economics of Agriculture. New ed. New York: Pitman Pub. Corp., 1949.

MLA (9th ed.) Citation

Cohen, Ruth Louisa. The Economics of Agriculture. New ed. Pitman Pub. Corp., 1949.