Check-list of North American birds :
according to the canons of nomenclature of the American Ornithologists' Union.
APA Citation
American Ornithologists' Union. (1889). Check-list of North American birds: according to the canons of nomenclature of the American Ornithologists' Union. Abridged ed., rev. [s.l.]: The Union.
MLA Citation
American Ornithologists' Union. Check-list of North American Birds: According to the Canons of Nomenclature of the American Ornithologists' Union. Abridged ed., rev. [s.l.]: The Union, 1889.
Warning: These citations may not always be complete (especially for serials).