APA (7th ed.) Citation

Voice and Speech Trainers Association, Hampton, M. E., & Acker, B. (1997). The vocal vision: Views on voice. Applause.

Chicago Style (17th ed.) Citation

Voice and Speech Trainers Association, Marian E. Hampton, and Barbara Acker. The Vocal Vision: Views on Voice. New York: Applause, 1997.

MLA (9th ed.) Citation

Voice and Speech Trainers Association, et al. The Vocal Vision: Views on Voice. Applause, 1997.