APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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