APA (7th ed.) Citation

Leonard, J. N. (1933). Men of Maracaibo. G.P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Leonard, Jonathan Norton. Men of Maracaibo. New York: G.P. Putnam's Sons, 1933.

MLA (8th ed.) Citation

Leonard, Jonathan Norton. Men of Maracaibo. G.P. Putnam's Sons, 1933.