APA (7th ed.) Citation

United States. Bureau of Reclamation & United States. National Park Service. (1979). Glen Canyon National Recreation Area (Rev. 1979.). The Bureau.

Chicago Style (17th ed.) Citation

United States. Bureau of Reclamation and United States. National Park Service. Glen Canyon National Recreation Area. Rev. 1979. [Washington]: The Bureau, 1979.

MLA (8th ed.) Citation

United States. Bureau of Reclamation and United States. National Park Service. Glen Canyon National Recreation Area. Rev. 1979. The Bureau, 1979.