Cita APA

Orians, G. H. 1., & Angell, T. 1. (1985). Blackbirds of the Americas. Seattle: University of Washington Press.

Citación estilo Chicago

Orians, Gordon Howell 1932-, y Tony 1940- Angell. Blackbirds of the Americas. Seattle: University of Washington Press, 1985.

Cita MLA

Orians, Gordon Howell 1932-, y Tony 1940- Angell. Blackbirds of the Americas. Seattle: University of Washington Press, 1985.