APA (7th ed.) Citation

Pan American Union. (1923). Report on activities of Pan American Union, 1923-1927. GPO.

Chicago Style (17th ed.) Citation

Pan American Union. Report on Activities of Pan American Union, 1923-1927. [Washington]: GPO, 1923.

MLA (9th ed.) Citation

Pan American Union. Report on Activities of Pan American Union, 1923-1927. GPO, 1923.

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