APA (7th ed.) Citation

United States. Department of Agriculture. Office of the Secretary. (1930). Yield of Douglas fir in Pacific Northwest. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Office of the Secretary. Yield of Douglas Fir in Pacific Northwest. Washington: U.S. GPO, 1930.

MLA (9th ed.) Citation

United States. Department of Agriculture. Office of the Secretary. Yield of Douglas Fir in Pacific Northwest. U.S. GPO, 1930.

Warning: These citations may not always be 100% accurate.