Cita APA (7a ed.)

Titze, I. R. (2000). Principles of voice production (2nd reimpr.). National Center for Voice and Speech.

Cita Chicago Style (17a ed.)

Titze, Ingo R. Principles of Voice Production. 2nd reimpr. Iowa City IA: National Center for Voice and Speech, 2000.

Cita MLA (9a ed.)

Titze, Ingo R. Principles of Voice Production. 2nd reimpr. National Center for Voice and Speech, 2000.