Cita APA (7th ed.)

Smith, D. L., & Hamel, C. (1999). Crop Yield: Physiology and processes. Springer.

Cita Chicago (17th ed.)

Smith, Donald L., i Chantal Hamel. Crop Yield: Physiology and Processes. Berlín: Springer, 1999.

Cita MLA (9th ed.)

Smith, Donald L., i Chantal Hamel. Crop Yield: Physiology and Processes. Springer, 1999.