APA (7th ed.) Citation

Curtis, O. F., & Clark, D. G. (1950). An introduction to plant physiology. McGraw-Hill.

Chicago Style (17th ed.) Citation

Curtis, Otis Freeman, and Daniel Grover Clark. An Introduction to Plant Physiology. New York [etc.]: McGraw-Hill, 1950.

MLA (9th ed.) Citation

Curtis, Otis Freeman, and Daniel Grover Clark. An Introduction to Plant Physiology. McGraw-Hill, 1950.