APA (7th ed.) Citation

De Bono. (1985). Edward De Bono's master thinker's handbook: A guide to innovative thinking. Penguin Books.

Chicago Style (17th ed.) Citation

De Bono. Edward De Bono's Master Thinker's Handbook: A Guide to Innovative Thinking. London: Penguin Books, 1985.

MLA (8th ed.) Citation

De Bono. Edward De Bono's Master Thinker's Handbook: A Guide to Innovative Thinking. Penguin Books, 1985.