APA (7th ed.) Citation
Postlethwait, J. H., & Hopson, J. L. (1989). The nature of life. McGraw-Hill.
Chicago Style (17th ed.) Citation
Postlethwait, John H., and Janet L. Hopson. The Nature of Life. New York: McGraw-Hill, 1989.
MLA (9th ed.) Citation
Postlethwait, John H., and Janet L. Hopson. The Nature of Life. McGraw-Hill, 1989.
Warning: These citations may not always be 100% accurate.