APA Citation

Edward de Bono. SIX THINKING HATS (1.). New York: PENGUIN BOOKS.

Chicago Style Citation

Edward de Bono. SIX THINKING HATS. 1. New York: PENGUIN BOOKS.

MLA Citation

Edward de Bono. SIX THINKING HATS. 1. New York: PENGUIN BOOKS.

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