Cita APA (7a ed.)

Sapienza, C. M., & Hoffman-Ruddy, B. (2009). Voice disorders. Plural.

Cita Chicago Style (17a ed.)

Sapienza, Christine M., y Bari Hoffman-Ruddy. Voice Disorders. San Diego: Plural, 2009.

Cita MLA (9a ed.)

Sapienza, Christine M., y Bari Hoffman-Ruddy. Voice Disorders. Plural, 2009.