Cita APA (7a ed.)

De Bono, E. (1990). Edward De Bono's masterthinker's handbook: A guide to innovative thinking. Penguin Books.

Cita Chicago Style (17a ed.)

De Bono, Edward. Edward De Bono's Masterthinker's Handbook: A Guide to Innovative Thinking. London: Penguin Books, 1990.

Cita MLA (9a ed.)

De Bono, Edward. Edward De Bono's Masterthinker's Handbook: A Guide to Innovative Thinking. Penguin Books, 1990.