-. (1949). Trees The Yearbook of Agriculture - 1949. United States Department of Agriculture.
Chicago Style (17th ed.) Citation-. Trees The Yearbook of Agriculture - 1949. America: United States Department of Agriculture, 1949.
MLA (9th ed.) Citation-. Trees The Yearbook of Agriculture - 1949. United States Department of Agriculture, 1949.
Warning: These citations may not always be 100% accurate.