Cita APA

Cameron, A. D., & Harrison, C. J. O. (1978). Bird families of the world. New York: Harry N. Abrams.

Citación estilo Chicago

Cameron, A. D.,, y C. J. O. Harrison. Bird Families of the World. New York: Harry N. Abrams, 1978.

Cita MLA

Cameron, A. D.,, y C. J. O. Harrison. Bird Families of the World. New York: Harry N. Abrams, 1978.