Cita APA

Adams, C. 1. (2003). The courage of Helen Keller. New York: The Rosen Publishing Group's, Inc..

Citación estilo Chicago

Adams, Colleen 1965-. The Courage of Helen Keller. New York: The Rosen Publishing Group's, Inc., 2003.

Cita MLA

Adams, Colleen 1965-. The Courage of Helen Keller. New York: The Rosen Publishing Group's, Inc., 2003.