APA (7th ed.) Citation

Clark, D. G., & Curtis, O. F. (1950). An introduction to plant physiology (2nd ed.). McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

Clark, Daniel G., and Otis F. Curtis. An Introduction to Plant Physiology. 2nd ed. New York: McGraw-Hill Book Company, 1950.

MLA (9th ed.) Citation

Clark, Daniel G., and Otis F. Curtis. An Introduction to Plant Physiology. 2nd ed. McGraw-Hill Book Company, 1950.