United States. Forest Service. (1933). A national plan for American forestry: Letter from the Secretary of Agriculture transmitting in response to S. Res. 175 (72nd Congress), the report of the Forest Service of the Agricultural Department on the forest problem of the United States. U.S. Govt. Print., Off.
Chicago Style (17th ed.) CitationUnited States. Forest Service. A National Plan for American Forestry: Letter from the Secretary of Agriculture Transmitting in Response to S. Res. 175 (72nd Congress), the Report of the Forest Service of the Agricultural Department on the Forest Problem of the United States. Washington, D.C.: U.S. Govt. Print., Off, 1933.
MLA (8th ed.) CitationUnited States. Forest Service. A National Plan for American Forestry: Letter from the Secretary of Agriculture Transmitting in Response to S. Res. 175 (72nd Congress), the Report of the Forest Service of the Agricultural Department on the Forest Problem of the United States. U.S. Govt. Print., Off, 1933.