APA (7th ed.) Citation

Borgman, D. E. (2008). Tractors: How to improve, maintain, and improve the performance of your tractor. John Deere.

Chicago Style (17th ed.) Citation

Borgman, Donald E. Tractors: How to Improve, Maintain, and Improve the Performance of Your Tractor. Moline, Illinois: John Deere, 2008.

MLA (9th ed.) Citation

Borgman, Donald E. Tractors: How to Improve, Maintain, and Improve the Performance of Your Tractor. John Deere, 2008.