APA (7th ed.) Citation

Knight, B., & Hammel, B. (2013). The power of negative thinking: An unconventional approach to achieving positive results. New Harvest.

Chicago Style (17th ed.) Citation

Knight, Bobby, and Bob Hammel. The Power of Negative Thinking: An Unconventional Approach to Achieving Positive Results. Boston: New Harvest, 2013.

MLA (8th ed.) Citation

Knight, Bobby, and Bob Hammel. The Power of Negative Thinking: An Unconventional Approach to Achieving Positive Results. New Harvest, 2013.

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