Cita APA (7a ed.)

Nielsen, K. E., & Kaye, H. J. (2004). The radical lives of Helen Keller. New York University Press.

Cita Chicago Style (17a ed.)

Nielsen, Kim E., y Harvey J. Kaye. The Radical Lives of Helen Keller. New York: New York University Press, 2004.

Cita MLA (9a ed.)

Nielsen, Kim E., y Harvey J. Kaye. The Radical Lives of Helen Keller. New York University Press, 2004.