APA (7th ed.) Citation

Pan American Union. (1922). Commerce of Colombia, latest reports from Colombian official sources. U.S. GPO.

Chicago Style (17th ed.) Citation

Pan American Union. Commerce of Colombia, Latest Reports from Colombian Official Sources. Washington: U.S. GPO, 1922.

MLA (9th ed.) Citation

Pan American Union. Commerce of Colombia, Latest Reports from Colombian Official Sources. U.S. GPO, 1922.

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