Library of Congress. Office of the Librarian & ProQuest (Firm). (1975). House documents, Vol. 20, Annual report of Librarian of Congress fiscal 1974. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Office of the Librarian and ProQuest (Firm). House Documents, Vol. 20, Annual Report of Librarian of Congress Fiscal 1974. Washington: [publisher not identified], 1975.
MLA (9th ed.) CitationLibrary of Congress. Office of the Librarian and ProQuest (Firm). House Documents, Vol. 20, Annual Report of Librarian of Congress Fiscal 1974. [publisher not identified], 1975.
Warning: These citations may not always be 100% accurate.