APA (7th ed.) Citation

Pan American Sanitary Bureau & Pan American Health Organization. (1973). Bulletin of the Pan American Health Organization. Pan American Health Organization.

Chicago Style (17th ed.) Citation

Pan American Sanitary Bureau and Pan American Health Organization. Bulletin of the Pan American Health Organization. Washington, D.C: Pan American Health Organization, 1973.

MLA (9th ed.) Citation

Pan American Sanitary Bureau and Pan American Health Organization. Bulletin of the Pan American Health Organization. Pan American Health Organization, 1973.