APA Edition Citation

Holtkamp, R. . .. (1990). Small four-wheel tractors for the tropics and subtropics: Their role in agricultural and industrial development. F M Druck.

Chicago Edition Citation

Holtkamp, Rudolf. Small Four-wheel Tractors for the Tropics and Subtropics: Their Role in Agricultural and Industrial Development. Karben: F M Druck, 1990.

MLA Edition Citation

Holtkamp, Rudolf. Small Four-wheel Tractors for the Tropics and Subtropics: Their Role in Agricultural and Industrial Development. F M Druck, 1990.

Warning: These citations may not always be 100% accurate.