APA (7th ed.) Citation

Callahan, J. M. (1967). American foreign policy in Mexican relations. Cooper Square Publishers.

Chicago Style (17th ed.) Citation

Callahan, James Morton. American Foreign Policy in Mexican Relations. New York: Cooper Square Publishers, 1967.

MLA (9th ed.) Citation

Callahan, James Morton. American Foreign Policy in Mexican Relations. Cooper Square Publishers, 1967.