APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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