APA (7th ed.) Citation

Gates, B. (2012). Impatient optimist: Bill Gates in his own words. B2 Books.

Chicago Style (17th ed.) Citation

Gates, Bill. Impatient Optimist: Bill Gates in His Own Words. Chicago: B2 Books, 2012.

MLA (8th ed.) Citation

Gates, Bill. Impatient Optimist: Bill Gates in His Own Words. B2 Books, 2012.

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