APA (7th ed.) Citation

Friedrich, R. A. (1978). Energy conservation for American agriculture. Ballinger Pub. Co..

Chicago Style (17th ed.) Citation

Friedrich, Robert A. Energy Conservation for American Agriculture. Cambridge, Mass.: Ballinger Pub. Co., 1978.

MLA (9th ed.) Citation

Friedrich, Robert A. Energy Conservation for American Agriculture. Ballinger Pub. Co., 1978.