Coues, E., & (archive.org), C. (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. Boston :Estes and Lauriat,1884.
Chicago Style (17th ed.) CitationCoues, Elliott, and Canadiana.org (archive.org). 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. Boston :Estes and Lauriat,1884, 1884.
MLA (8th ed.) CitationCoues, Elliott, and Canadiana.org (archive.org). 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. Boston :Estes and Lauriat,1884, 1884.