APA (7th ed.) Citation

Kaufmann, W. J. (1991). Universe (3rd edition.). W. H. Freeman and Company.

Chicago Style (17th ed.) Citation

Kaufmann, William J. Universe. 3rd edition. New York: W. H. Freeman and Company, 1991.

MLA (8th ed.) Citation

Kaufmann, William J. Universe. 3rd edition. W. H. Freeman and Company, 1991.

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