APA (7th ed.) Citation

United States. Department of the Interior. (1920). Monthly record of current educational publications. GPO.

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Monthly Record of Current Educational Publications. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

United States. Department of the Interior. Monthly Record of Current Educational Publications. GPO, 1920.

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