United States. Congress. House. Committee on the Library & ProQuest (Firm). (1931). Letter from the Chairman of the Mount Rushmore National Memorial Commission transmitting the Third Annual Report of the Mount Rushmore National Memorial Commission. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on the Library and ProQuest (Firm). Letter from the Chairman of the Mount Rushmore National Memorial Commission Transmitting the Third Annual Report of the Mount Rushmore National Memorial Commission. Washington: [publisher not identified], 1931.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on the Library and ProQuest (Firm). Letter from the Chairman of the Mount Rushmore National Memorial Commission Transmitting the Third Annual Report of the Mount Rushmore National Memorial Commission. [publisher not identified], 1931.