United States. Congress. Senate. Committee on Energy and Natural Resources, ProQuest (Firm), United States. Congressional Budget Office, & United States. Department of the Interior. (1987). Big Bend National Park, Texas. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources, ProQuest (Firm), United States. Congressional Budget Office, and United States. Department of the Interior. Big Bend National Park, Texas. Washington: [publisher not identified], 1987.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources, et al. Big Bend National Park, Texas. [publisher not identified], 1987.
Warning: These citations may not always be 100% accurate.