The National poultry improvement plan /
prepared by specialists of the Bureau of Animal Industry.

APA Citation

United States. Bureau of Animal Industry. (1940). The National poultry improvement plan. Revised January 1940 Washington, D.C.: U.S. Dept. of Agriculture.

MLA Citation

United States. Bureau of Animal Industry. The National Poultry Improvement Plan. Revised January 1940 Washington, D.C.: U.S. Dept. of Agriculture, 1940.

Warning: These citations may not always be complete (especially for serials).