APA (7th ed.) Citation

Culpin, C. (1951). Farm mechanization: Costs and methods. C. Lockwood.

Chicago Style (17th ed.) Citation

Culpin, Claude. Farm Mechanization: Costs and Methods. London: C. Lockwood, 1951.

MLA (8th ed.) Citation

Culpin, Claude. Farm Mechanization: Costs and Methods. C. Lockwood, 1951.