APA (7th ed.) Citation

United States. Department of the Interior. (1931). Careers: Medicine. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Careers: Medicine. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

United States. Department of the Interior. Careers: Medicine. GPO, 1931.

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