APA (7th ed.) Citation

Comins, N. F., & Kaufmann, W. J., III. (2000). Discovering the universe (5th ed.). W. H. Freeman.

Chicago Style (17th ed.) Citation

Comins, Neil F., and William J. Kaufmann, III. Discovering the Universe. 5th ed. New York: W. H. Freeman, 2000.

MLA (9th ed.) Citation

Comins, Neil F., and William J. Kaufmann, III. Discovering the Universe. 5th ed. W. H. Freeman, 2000.