APA citiranje

Comins, N. F., & Kaufmann, W. J. (2008). Discovering the universe. New York : W. H. Freeman.

Chicago Style (17th ed.) Citation

Comins, Neil F., and William J. Kaufmann. Discovering the Universe. New York : W. H. Freeman, 2008.

MLA citiranje

Comins, Neil F., and William J. Kaufmann. Discovering the Universe. New York : W. H. Freeman, 2008.