APA (7th ed.) Citation

United States. Congress. House. Committee on Appropriations & ProQuest (Firm). (1930). National Park Service, 1930 and 1931. Communication from the President of the United States transmitting supplemental estimate of appropriation for the Department of the Interior, National Park Service, for the fiscal years 1930 and 1931, amounting to $65,000. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Appropriations and ProQuest (Firm). National Park Service, 1930 and 1931. Communication from the President of the United States Transmitting Supplemental Estimate of Appropriation for the Department of the Interior, National Park Service, for the Fiscal Years 1930 and 1931, Amounting to $65,000. Washington: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Appropriations and ProQuest (Firm). National Park Service, 1930 and 1931. Communication from the President of the United States Transmitting Supplemental Estimate of Appropriation for the Department of the Interior, National Park Service, for the Fiscal Years 1930 and 1931, Amounting to $65,000. [publisher not identified], 1930.