APA (7th ed.) Citation

Fehr, W., Fehr, E. L., & Jessen, H. J. (1987). Principles of cultivar development. New York, NY, USA Macmillan Publishing.

Chicago Style (17th ed.) Citation

Fehr, W.R, Elinor L. Fehr, and Holly J. Jessen. Principles of Cultivar Development. New York, NY, USA Macmillan Publishing, 1987.

MLA (8th ed.) Citation

Fehr, W.R, et al. Principles of Cultivar Development. New York, NY, USA Macmillan Publishing, 1987.

IICA/CATIE Citation

Fehr, W., Fehr, E. L., ; Jessen, H. J. 1987. Principles of cultivar development. New York, NY, USA Macmillan Publishing.