APA (7th ed.) Citation

Gashwiler, J. S. (1977). Bird population in four vegetational types in central Oregon. Dept. of the Interior, Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

Gashwiler, Jay S. Bird Population in Four Vegetational Types in Central Oregon. Washington: Dept. of the Interior, Fish and Wildlife Service, 1977.

MLA (9th ed.) Citation

Gashwiler, Jay S. Bird Population in Four Vegetational Types in Central Oregon. Dept. of the Interior, Fish and Wildlife Service, 1977.