APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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