Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

Levin, Harold L. The Earth Through Time. 5th ed. Fort Worth: Saunders College Pub, 1996.

Style de citation MLA (9e éd.)

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