APA-referens

Thorne, D. W., & Thorne, M. D. (1979). Soil, Water and crop production.

Chicago-stil citat

Thorne, D Wynne, och Marlowe D. Thorne. Soil, Water and Crop Production. West Port, Avi Publishing Company, 1979.

MLA-referens

Thorne, D Wynne, och Marlowe D. Thorne. Soil, Water and Crop Production. 1979.