APA (7th ed.) Citation

Kaufmann, W. J., & Comins, N. F. (1996). Discovering the universe / William J. Kaufmann, Neil F. Comins (4th ed.). W. H. Freeman.

Chicago Style (17th ed.) Citation

Kaufmann, William J., and Neil F. Comins. Discovering the Universe / William J. Kaufmann, Neil F. Comins. 4th ed. Oxford: W. H. Freeman, 1996.

MLA (9th ed.) Citation

Kaufmann, William J., and Neil F. Comins. Discovering the Universe / William J. Kaufmann, Neil F. Comins. 4th ed. W. H. Freeman, 1996.

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