Population trends of blackbirds and starlings in North America, 1966-76 /
by Richard A. Dolbeer, Robert A. Stehn.
APA Citation
Dolbeer, R. A., Stehn, R. A.. (1979). Population trends of blackbirds and starlings in North America, 1966-76. Washington: U.S. Dept. of the Interior, Fish and Wildlife Service.
MLA Citation
Dolbeer, Richard A, and Robert A. Stehn. Population Trends of Blackbirds And Starlings In North America, 1966-76. Washington: U.S. Dept. of the Interior, Fish and Wildlife Service, 1979.
Warning: These citations may not always be complete (especially for serials).