APA (7th ed.) Citation

Callahan, J. M. (1932). American foreign policy in Mexican relations. The Macmillan company.

Chicago Style (17th ed.) Citation

Callahan, James Morton. American Foreign Policy in Mexican Relations. New York: The Macmillan company, 1932.

MLA (9th ed.) Citation

Callahan, James Morton. American Foreign Policy in Mexican Relations. The Macmillan company, 1932.