Cita APA (7th ed.)

Shewell, C. (2009). Voice work: Art and science in changing voices. Wiley-Blackwell.

Cita Chicago (17th ed.)

Shewell, Christina. Voice Work: Art and Science in Changing Voices. Hoboken: Wiley-Blackwell, 2009.

Cita MLA (9th ed.)

Shewell, Christina. Voice Work: Art and Science in Changing Voices. Wiley-Blackwell, 2009.