Cita APA

Obert, K. B., & Chicurel, S. R. (2005). Geography of the voice.

Citación estilo Chicago

Obert, Kerrie B., and Steven R. Chicurel. Geography of the Voice. Think Voice International, 2005.

Cita MLA

Obert, Kerrie B., and Steven R. Chicurel. Geography of the Voice. 2005.

Warning: These citations may not always be 100% accurate.