APA (7th ed.) Citation

Kepner, R. A., Bainer, R., & Barger, E. L. (1987). Principles of farm machinery (3rd ed.). CBS.

Chicago Style (17th ed.) Citation

Kepner, R. A., Roy Bainer, and E. L. Barger. Principles of Farm Machinery. 3rd ed. New Delhi: CBS, 1987.

MLA (9th ed.) Citation

Kepner, R. A., et al. Principles of Farm Machinery. 3rd ed. CBS, 1987.