APA (7th ed.) Citation

Foley, C. (1965). 50th anniversary of the National Park Service. United States Department of the Interior, National Park Service.

Chicago Style (17th ed.) Citation

Foley, Connie. 50th Anniversary of the National Park Service. [Washington, D.C.]: United States Department of the Interior, National Park Service, 1965.

MLA (9th ed.) Citation

Foley, Connie. 50th Anniversary of the National Park Service. United States Department of the Interior, National Park Service, 1965.