Gates, R., Forrest, L. A., & Obert, K. (2013). The owner's manual to the voice: A guide for singers and other professional voice users. Oxford University Press.
Chicago Style (17th ed.) CitationGates, Rachael, L. Arick Forrest, and Kerrie Obert. The Owner's Manual to the Voice: A Guide for Singers and Other Professional Voice Users. New York: Oxford University Press, 2013.
MLA (9th ed.) CitationGates, Rachael, et al. The Owner's Manual to the Voice: A Guide for Singers and Other Professional Voice Users. Oxford University Press, 2013.
Warning: These citations may not always be 100% accurate.