Black duck distribution, harvest characteristics, and survival /
by Aelred D. Geis, Robert I. Smith, and John P. Rogers.
APA Citation
Geis, A. D., Rogers, J. P., Smith, R. I., U.S. Fish and Wildlife Service., United States. Bureau of Sport Fisheries and Wildlife. (1971). Black duck distribution, harvest characteristics, and survival. Washington, D.C.: U.S. Dept. of the Interior, Fish and Wildlife Service, Bureau of Sport Fisheries and Wildlife .
MLA Citation
United States. Bureau of Sport Fisheries and Wildlife, et al.. Black Duck Distribution, Harvest Characteristics, And Survival. Washington, D.C.: U.S. Dept. of the Interior, Fish and Wildlife Service, Bureau of Sport Fisheries and Wildlife , 1971.
Warning: These citations may not always be complete (especially for serials).