Cita APA (7a ed.)
Romoli, K. (1941). Colombia, gateway to South America. Doubleday, Doran & company.
Cita Chicago Style (17a ed.)
Romoli, Kathleen. Colombia, Gateway to South America. Garden City, N. Y.: Doubleday, Doran & company, 1941.
Cita MLA (9a ed.)
Romoli, Kathleen. Colombia, Gateway to South America. Doubleday, Doran & company, 1941.
Precaución: Estas citas no son 100% exactas.