APA (7th ed.) Citation

United States. Department of the Interior. (1966). America's department of natural resources. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of the Interior. America's Department of Natural Resources. [Washington]: [publisher not identified], 1966.

MLA (9th ed.) Citation

United States. Department of the Interior. America's Department of Natural Resources. [publisher not identified], 1966.

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