APA (7th ed.) Citation

Pan American Union. (1929). Sources of information for books on Latin America. [publisher not identified].

Chicago Style (17th ed.) Citation

Pan American Union. Sources of Information for Books on Latin America. Washington: [publisher not identified], 1929.

MLA (9th ed.) Citation

Pan American Union. Sources of Information for Books on Latin America. [publisher not identified], 1929.

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