Toxicity of lead and proposed substitute shot to mallards /
by J.R. Longcore ... [et. al.], Patuxent Wildlife Research Center, Laurel, Maryland.

APA Citation

Patuxent Wildlife Research Center., Longcore, J. R., U.S. Fish and Wildlife Service. (1974). Toxicity of lead and proposed substitute shot to mallards. Washington: U.S. Dept. of the Interior, Fish and Wildlife Service.

MLA Citation

Patuxent Wildlife Research Center, Jerry R Longcore, and U.S. Fish and Wildlife Service. Toxicity of Lead And Proposed Substitute Shot to Mallards. Washington: U.S. Dept. of the Interior, Fish and Wildlife Service, 1974.