Collins, P. (2009). Speak with power & confidence: Tested ideas for becoming a more powerful communicator. Sterling Pub.
Chicago Style (17th ed.) CitationCollins, Patrick. Speak with Power & Confidence: Tested Ideas for Becoming a More Powerful Communicator. New York: Sterling Pub, 2009.
MLA (9th ed.) CitationCollins, Patrick. Speak with Power & Confidence: Tested Ideas for Becoming a More Powerful Communicator. Sterling Pub, 2009.
Warning: These citations may not always be 100% accurate.