APA-viite (7. p.)

Crow, H. L., & Trunbull, W. L. (1972). American history: A problems approach. Holt, Rinehart and Winston.

Chicago-viite (17. p.)

Crow, Herman L., ja William L. Trunbull. American History: A Problems Approach. Nueva York: Holt, Rinehart and Winston, 1972.

MLA-viite (9. p.)

Crow, Herman L., ja William L. Trunbull. American History: A Problems Approach. Holt, Rinehart and Winston, 1972.