APA (7th ed.) Citation

Kelly, M. G., & MacGrath, J. C. (1975). Biology: Evolution and adaptation to the environment. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Kelly, Mahlon G., and John C. MacGrath. Biology: Evolution and Adaptation to the Environment. Boston: Houghton Mifflin, 1975.

MLA (9th ed.) Citation

Kelly, Mahlon G., and John C. MacGrath. Biology: Evolution and Adaptation to the Environment. Houghton Mifflin, 1975.

Warning: These citations may not always be 100% accurate.