APA (7th ed.) Citation

Romoli, K. (1941). Colombia, gateway to South America. Doubleday, Doran & company.

Chicago Style (17th ed.) Citation

Romoli, Kathleen. Colombia, Gateway to South America. Garden City, N. Y.: Doubleday, Doran & company, 1941.

MLA (9th ed.) Citation

Romoli, Kathleen. Colombia, Gateway to South America. Doubleday, Doran & company, 1941.

Warning: These citations may not always be 100% accurate.