APA (7th ed.) Citation

De Bono, E. (2000). Six thinking hats. Penguin Group.

Chicago Style (17th ed.) Citation

De Bono, Edward. Six Thinking Hats. London: Penguin Group, 2000.

MLA (8th ed.) Citation

De Bono, Edward. Six Thinking Hats. Penguin Group, 2000.

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