APA (7th ed.) Citation

De Bono, E. (1999). Simplicity. Penguin Books.

Chicago Style (17th ed.) Citation

De Bono, Edward. Simplicity. London: Penguin Books, 1999.

MLA (9th ed.) Citation

De Bono, Edward. Simplicity. Penguin Books, 1999.

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