APA (7th ed.) Citation

Kaufmann, W. J., & Comins, N. F. (1996). Discovering the universe (4th edition.). W. H. Freeman and Company.

Chicago Style (17th ed.) Citation

Kaufmann, William J., and Neil F. Comins. Discovering the Universe. 4th edition. New York: W. H. Freeman and Company, 1996.

MLA (8th ed.) Citation

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