APA Citation

De Bono, E. (2000). Six thinking hats. England: Penguin Books.

Chicago Style Citation

De Bono, Edward. Six Thinking Hats. England: Penguin Books, 2000.

MLA Citation

De Bono, Edward. Six Thinking Hats. England: Penguin Books, 2000.

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