APA (7th ed.) Citation

De Bono, E. (1977). Wordpower: An illustrated dictionary of vital words. Pierrot.

Chicago Style (17th ed.) Citation

De Bono, Edward. Wordpower: An Illustrated Dictionary of Vital Words. London: Pierrot, 1977.

MLA (9th ed.) Citation

De Bono, Edward. Wordpower: An Illustrated Dictionary of Vital Words. Pierrot, 1977.

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