APA (7th ed.) Citation

De Bono. (1999). Simplicity: Be a sharper, faster, clearer thinker. Penguin.

Chicago Style (17th ed.) Citation

De Bono. Simplicity: Be a Sharper, Faster, Clearer Thinker. London: Penguin, 1999.

MLA (8th ed.) Citation

De Bono. Simplicity: Be a Sharper, Faster, Clearer Thinker. Penguin, 1999.

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