APA (7th ed.) Citation

Pan American Union. Division of Education. (1949). The Organization of American States: A handbook for use in schools, collges and adult study groups. [s.n.].

Chicago Style (17th ed.) Citation

Pan American Union. Division of Education. The Organization of American States: A Handbook for Use in Schools, Collges and Adult Study Groups. Washington: [s.n.], 1949.

MLA (9th ed.) Citation

Pan American Union. Division of Education. The Organization of American States: A Handbook for Use in Schools, Collges and Adult Study Groups. [s.n.], 1949.