Cita APA

Allen, M., Malde, M., & Zeller, K. A. (2009). What every singer needs to know about the body. Plural Pub..

Citación estilo Chicago

Allen, MaryJean, Melissa Malde, and Kurt Alexander Zeller. What Every Singer Needs to Know About the Body. San Diego, CA: Plural Pub., 2009.

Cita MLA

Allen, MaryJean, et al. What Every Singer Needs to Know About the Body. Plural Pub., 2009.