ECU Libraries Catalog
The birds of North and middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago
MLA
Ridgway, Robert, and Herbert Friedmann. The Birds of North and Middle America : a Descriptive Catalogue of the Higher Groups, Genera, Species, and Subspecies of Birds Known to Occur In North America, From the Arctic Lands to the Isthmus of Panama, the West Indies and Other Islands of the Caribbean Sea, and the Galapagos Archipelago. Washington: Govt. Print. Off, 1901.
APA
Ridgway, R., & Friedmann, H. (1901). The birds of North and middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago. Washington: Govt. Print. Off.
Chicago
Ridgway, Robert, and Herbert Friedmann. The Birds of North and Middle America: A Descriptive Catalogue of the Higher Groups, Genera, Species, and Subspecies of Birds Known to Occur In North America, From the Arctic Lands to the Isthmus of Panama, the West Indies and Other Islands of the Caribbean Sea, and the Galapagos Archipelago. Washington: Govt. Print. Off, 1901.