Cita APA

Smith,Donald L, & Hamel,Chantal. (1999). Crop yield: Physiology and processes. Spriger-verlag.

Citación estilo Chicago

Smith,Donald L, y Hamel,Chantal. Crop Yield: Physiology and Processes. Berlin: Spriger-verlag, 1999.

Cita MLA

Smith,Donald L, y Hamel,Chantal. Crop Yield: Physiology and Processes. Spriger-verlag, 1999.