APA (7th ed.) Citation

Levin, H. L. (1996). The earth through time (5th ed.). Saunders College Publishing.

Chicago Style (17th ed.) Citation

Levin, Harold L. The Earth Through Time. 5th ed. Forth Worth, U.S.A: Saunders College Publishing, 1996.

MLA (9th ed.) Citation

Levin, Harold L. The Earth Through Time. 5th ed. Saunders College Publishing, 1996.