APA (7th ed.) Citation

Bono, E. D. (1997). How To Be More Interesting. Penguin Books.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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