APA (7th ed.) Citation

Haas, G. E. (1977). Recreation and parks: A social study at Shenandoah National Park. National Park Service, Department of the Interior : for sale by the Supt. of Docs., U.S. Govt. Print. Off..

Chicago Style (17th ed.) Citation

Haas, Glenn E. Recreation and Parks: A Social Study at Shenandoah National Park. Washington: National Park Service, Department of the Interior : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.

MLA (8th ed.) Citation

Haas, Glenn E. Recreation and Parks: A Social Study at Shenandoah National Park. National Park Service, Department of the Interior : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.