Cita APA

Chapman, F. M., & Chapman, F. M. (1901). Bird-life: A guide to the study our commom birds. New York, New York: D. Appleton.

Citación estilo Chicago

Chapman, Frank M., y Frank M. Chapman. Bird-life: A Guide to the Study Our Commom Birds. New York, New York: D. Appleton, 1901.

Cita MLA

Chapman, Frank M., y Frank M. Chapman. Bird-life: A Guide to the Study Our Commom Birds. New York, New York: D. Appleton, 1901.