APA (7th ed.) Citation

Butterworth, B. (1984). Farm tractors: The Case guide to tractor selection, operation, enonomics and servicing. Spon.

Chicago Style (17th ed.) Citation

Butterworth, Bill. Farm Tractors: The Case Guide to Tractor Selection, Operation, Enonomics and Servicing. London: Spon, 1984.

MLA (9th ed.) Citation

Butterworth, Bill. Farm Tractors: The Case Guide to Tractor Selection, Operation, Enonomics and Servicing. Spon, 1984.