APA (7th ed.) Citation

United States. Department of the Interior. (1939). Answers to your Questions about the United States Department of the Interior 1849-1939: Information concerning Department of Interior, Assembled in question and answer form for ready reference. [s.n.].

Chicago Style (17th ed.) Citation

United States. Department of the Interior. Answers to Your Questions About the United States Department of the Interior 1849-1939: Information Concerning Department of Interior, Assembled in Question and Answer Form for Ready Reference. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Department of the Interior. Answers to Your Questions About the United States Department of the Interior 1849-1939: Information Concerning Department of Interior, Assembled in Question and Answer Form for Ready Reference. [s.n.], 1939.