APA (7th ed.) Citation

United States. Department of the Interior. The United States Department of the Interior: America's guardian of natural resources.

Chicago Style (17th ed.) Citation

United States. Department of the Interior. The United States Department of the Interior: America's Guardian of Natural Resources.

MLA (9th ed.) Citation

United States. Department of the Interior. The United States Department of the Interior: America's Guardian of Natural Resources.

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