APA (7th ed.) Citation

Heller, R. (2000). Bill Gates. Dorling Kindersley.

Chicago Style (17th ed.) Citation

Heller, Robert. Bill Gates. London: Dorling Kindersley, 2000.

MLA (9th ed.) Citation

Heller, Robert. Bill Gates. Dorling Kindersley, 2000.

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