American Ornithologists' Union, Cornell University. Laboratory of Ornithology, Academy of Natural Sciences of Philadelphia, & Hatch, J. J. (2000). Great cormorant: Phalacrocorax carbo. Birds of North America, Inc..
Chicago Style (17th ed.) CitationAmerican Ornithologists' Union, Cornell University. Laboratory of Ornithology, Academy of Natural Sciences of Philadelphia, and Jeremy J. Hatch. Great Cormorant: Phalacrocorax Carbo. Philadelphia, Pa.: Birds of North America, Inc., 2000.
MLA (9th ed.) CitationAmerican Ornithologists' Union, et al. Great Cormorant: Phalacrocorax Carbo. Birds of North America, Inc., 2000.
Warning: These citations may not always be 100% accurate.