APA (7th ed.) Citation

Rippy, J. F. (1931). The capitalists and Colombia. The Vanguard Press.

Chicago Style (17th ed.) Citation

Rippy, J. Fred. The Capitalists and Colombia. New York: The Vanguard Press, 1931.

MLA (9th ed.) Citation

Rippy, J. Fred. The Capitalists and Colombia. The Vanguard Press, 1931.