APA (7th ed.) Citation

United States. Congress. House. Committee on Interior and Insular Affairs, ProQuest (Firm), & United States. Department of the Interior. (1977). National park system new area studies; threatened natural landmarks and nationally significant historic places. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Interior and Insular Affairs, ProQuest (Firm), and United States. Department of the Interior. National Park System New Area Studies; Threatened Natural Landmarks and Nationally Significant Historic Places. Washington: [publisher not identified], 1977.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Interior and Insular Affairs, et al. National Park System New Area Studies; Threatened Natural Landmarks and Nationally Significant Historic Places. [publisher not identified], 1977.