APA (7th ed.) Citation

Stewart, R. E., & Robbins, C. S. (1958). Birds of Maryland and the District of Columbia. U.S. Dept. of the Interior, Fish and Wildlife Service.

Chicago Style (17th ed.) Citation

Stewart, Robert E., and Chandler S. Robbins. Birds of Maryland and the District of Columbia. Washington [D.C.]: U.S. Dept. of the Interior, Fish and Wildlife Service, 1958.

MLA (9th ed.) Citation

Stewart, Robert E., and Chandler S. Robbins. Birds of Maryland and the District of Columbia. U.S. Dept. of the Interior, Fish and Wildlife Service, 1958.