APA (7th ed.) Citation

De Bono, E. (1980). Opportunities: A handbook of business opportunity search. Penguin Books.

Chicago Style (17th ed.) Citation

De Bono, Edward. Opportunities: A Handbook of Business Opportunity Search. Middlesex: Penguin Books, 1980.

MLA (8th ed.) Citation

De Bono, Edward. Opportunities: A Handbook of Business Opportunity Search. Penguin Books, 1980.

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