APA (7th ed.) Citation

Grant Williams, R. (2002). Voice power: Using your voice to captivate, persuade and command attention. AMACOM.

Chicago Style (17th ed.) Citation

Grant Williams, Renee. Voice Power: Using Your Voice to Captivate, Persuade and Command Attention. New York: AMACOM, 2002.

MLA (8th ed.) Citation

Grant Williams, Renee. Voice Power: Using Your Voice to Captivate, Persuade and Command Attention. AMACOM, 2002.

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