APA (7th ed.) Citation

United States. National Park Service. (1947). Whitman National Monument, Washington. U.S. Govt. Print. Off..

Chicago Style (17th ed.) Citation

United States. National Park Service. Whitman National Monument, Washington. [Washington: U.S. Govt. Print. Off., 1947.

MLA (8th ed.) Citation

United States. National Park Service. Whitman National Monument, Washington. U.S. Govt. Print. Off., 1947.

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