APA (7th ed.) Citation

De Bono, E. (1997). How to be more interesting. Penguin Books.

Chicago Style (17th ed.) Citation

De Bono, Edward. How to Be More Interesting. London: Penguin Books, 1997.

MLA (8th ed.) Citation

De Bono, Edward. How to Be More Interesting. Penguin Books, 1997.

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