APA (7th ed.) Citation

Tompkins, P., & Bird Christopher. (1973). The secret life of plants. Harper & Row Publishers.

Chicago Style (17th ed.) Citation

Tompkins, Peter, and Bird Christopher. The Secret Life of Plants. New York: Harper & Row Publishers, 1973.

MLA (9th ed.) Citation

Tompkins, Peter, and Bird Christopher. The Secret Life of Plants. Harper & Row Publishers, 1973.