APA
DeBono E., . (1997). How to be more interesting. New York: Penguin Books.
Chicago
DeBono Edward, . 1997. How to be more interesting. New York: Penguin Books.
Harvard
DeBono E., . (1997). How to be more interesting. New York: Penguin Books.
MLA
DeBono Edward, . How to be more interesting. New York: Penguin Books. 1997.