United States. Congress. House. Committee on Interior and Insular Affairs, ProQuest (Firm), & United States. Congressional Budget Office. (1980). Establishing the Ice Age National Scenic Trail. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interior and Insular Affairs, ProQuest (Firm), and United States. Congressional Budget Office. Establishing the Ice Age National Scenic Trail. Washington: [publisher not identified], 1980.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interior and Insular Affairs, et al. Establishing the Ice Age National Scenic Trail. [publisher not identified], 1980.
Warning: These citations may not always be 100% accurate.