APA (7th ed.) Citation

Elliot, D. G. (1869). The new and heretofore unfigured species of birds of North America. Pub. by the author.

Chicago Style (17th ed.) Citation

Elliot, Daniel Giraud. The New and Heretofore Unfigured Species of Birds of North America. New York: Pub. by the author, 1869.

MLA (8th ed.) Citation

Elliot, Daniel Giraud. The New and Heretofore Unfigured Species of Birds of North America. Pub. by the author, 1869.