APA Citation

Levin, H. L. (1983). The Earth through time. Saunders College Publ.

Chicago Style Citation

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

MLA Citation

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

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