United States. Congress. House. Committee on Interior and Insular Affairs & United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks. (1963). To Revise the Boundaries of the Carlsbad Caverns National Park in New Mexico. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interior and Insular Affairs and United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks. To Revise the Boundaries of the Carlsbad Caverns National Park in New Mexico. [S.l]: [s.n.], 1963.
MLA (8th ed.) CitationUnited States. Congress. House. Committee on Interior and Insular Affairs and United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks. To Revise the Boundaries of the Carlsbad Caverns National Park in New Mexico. [s.n.], 1963.