Cita APA (7a ed.)

Organization of American States. (1949). Annals of the Organization of American States. Department of Public Information, Pan American Union.

Cita Chicago Style (17a ed.)

Organization of American States. Annals of the Organization of American States. Washington, D.C.: Department of Public Information, Pan American Union, 1949.

Cita MLA (9a ed.)

Organization of American States. Annals of the Organization of American States. Department of Public Information, Pan American Union, 1949.