Key to North American birds :
containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland /
by Elliott Coues, M.A., M.D., Ph.D.

APA Citation

Coues, E. (1884). Key to North American birds: containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland. Second edition, revised to date, and entirely rewritten: with which are incorporated general ornithology an outline of the structure and classificaiton of birds; and field ornithology a manual of collecting, preparing, and preserving birds. Boston: Estes and Lauriat.

MLA Citation

Coues, Elliott, 1842-1899. Key to North American Birds: Containing a Concise Account of Every Species of Living And Fossil Bird At Present Known From the Continent North of the Mexican And United States Boundary, Inclusive of Greenland. Second edition, revised to date, and entirely rewritten: with which are incorporated general ornithology an outline of the structure and classificaiton of birds; and field ornithology a manual of collecting, preparing, and preserving birds. Boston: Estes and Lauriat, 1884.