Cita APA (7a ed.)

Behrman, A., & Haskell, J. (2008). Exercises for voice therapy. Plural Pub.

Cita Chicago Style (17a ed.)

Behrman, Alison, y John Haskell. Exercises for Voice Therapy. San Diego: Plural Pub, 2008.

Cita MLA (9a ed.)

Behrman, Alison, y John Haskell. Exercises for Voice Therapy. Plural Pub, 2008.