APA (7th ed.) Citation

Levin, H. L. (1983). The earth through time. Saunders.

Chicago Style (17th ed.) Citation

Levin, Harold L. The Earth Through Time. Saunders, 1983.

MLA (8th ed.) Citation

Levin, Harold L. The Earth Through Time. Saunders, 1983.

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