APA Citation

De Bono, E. (1990). Worpower: An illustrated dictionary of vital words. London: Penguin Books.

Chicago Style Citation

De Bono, Edward. Worpower: An Illustrated Dictionary of Vital Words. London: Penguin Books, 1990.

MLA Citation

De Bono, Edward. Worpower: An Illustrated Dictionary of Vital Words. London: Penguin Books, 1990.

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