APA (7th ed.) Citation

The De Bono code book. (2000). The de Bono code book. The Penguin Group.

Chicago Style (17th ed.) Citation

The De Bono code book. The De Bono Code Book. Nw York: The Penguin Group, 2000.

MLA (8th ed.) Citation

The De Bono code book. The De Bono Code Book. The Penguin Group, 2000.