United States. Congress. House. Committee on Merchant Marine and Fisheries, ProQuest (Firm), & Smithsonian Institution. (1974). Report on endangered and threatened plant species of the U.S. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Merchant Marine and Fisheries, ProQuest (Firm), and Smithsonian Institution. Report on Endangered and Threatened Plant Species of the U.S. Washington: [publisher not identified], 1974.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Merchant Marine and Fisheries, et al. Report on Endangered and Threatened Plant Species of the U.S. [publisher not identified], 1974.
Warning: These citations may not always be 100% accurate.