Cita APA (7th ed.)

Heman-Ackah, Y. D., Hawkshaw, M., & Sataloff, R. T. (2013). The voice: A medical guide for achieving and maintaining a healthy voice. Science & Medicine.

Cita Chicago (17th ed.)

Heman-Ackah, Yolanda D., Mary Hawkshaw, i Robert Thayer Sataloff. The Voice: A Medical Guide for Achieving and Maintaining a Healthy Voice. Narberth, PA: Science & Medicine, 2013.

Cita MLA (9th ed.)

Heman-Ackah, Yolanda D., et al. The Voice: A Medical Guide for Achieving and Maintaining a Healthy Voice. Science & Medicine, 2013.