APA (7th ed.) Citation

Collins. (2009). Speak with power and confidence: Tested ideas for becoming a more powerful communicator. Sterling Pub.

Chicago Style (17th ed.) Citation

Collins. Speak with Power and Confidence: Tested Ideas for Becoming a More Powerful Communicator. New York: Sterling Pub, 2009.

MLA (8th ed.) Citation

Collins. Speak with Power and Confidence: Tested Ideas for Becoming a More Powerful Communicator. Sterling Pub, 2009.

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