Cita APA (7a ed.)

Cookman, S., & DeVore, K. (2009). The voice book: Caring for, protecting, and improving your voice. Chicago Review Press.

Cita Chicago Style (17a ed.)

Cookman, Starr, y Kate DeVore. The Voice Book: Caring for, Protecting, and Improving Your Voice. Chicago, Ill.: Chicago Review Press, 2009.

Cita MLA (9a ed.)

Cookman, Starr, y Kate DeVore. The Voice Book: Caring for, Protecting, and Improving Your Voice. Chicago Review Press, 2009.