APA (7th ed.) Citation

Rafferty, J. P., & Heintz, K. (2020). Plant physiology. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Rafferty, John P., and Kurt Heintz. Plant Physiology. Chicago, IL: Encyclopedia Britannica, 2020.

MLA (9th ed.) Citation

Rafferty, John P., and Kurt Heintz. Plant Physiology. Encyclopedia Britannica, 2020.