APA (7th ed.) Citation

Wall, J., & Caldwell, R. (1992). The Singer's voice: The vocal folds. Pst...Inc.

Chicago Style (17th ed.) Citation

Wall, Joan, and Robert Caldwell. The Singer's Voice: The Vocal Folds. Dallas, Tex: Pst...Inc, 1992.

MLA (9th ed.) Citation

Wall, Joan, and Robert Caldwell. The Singer's Voice: The Vocal Folds. Pst...Inc, 1992.