Cita APA

Firestone, R., Catlett, J., & Firestone, L. A. (2012). The self under siege: Voice therapy and differentiation. New York: Routledge.

Citación estilo Chicago

Firestone, Robert., Joyce Catlett, and Lisa A. Firestone. The Self Under Siege: Voice Therapy and Differentiation. New York: Routledge, 2012.

Cita MLA

Firestone, Robert., Joyce Catlett, and Lisa A. Firestone. The Self Under Siege: Voice Therapy and Differentiation. New York: Routledge, 2012.