(1942). Keeping livestock healthy: Yearbook of agriculture 1942. Washington, D.C.: United States Department of Agriculture (USDA).
Chicago Style CitationKeeping Livestock Healthy: Yearbook of Agriculture 1942. Washington, D.C.: United States Department of Agriculture (USDA), 1942.
MLA CitationKeeping Livestock Healthy: Yearbook of Agriculture 1942. Washington, D.C.: United States Department of Agriculture (USDA), 1942.
Warning: These citations may not always be 100% accurate.