APA Citation

Heller, R. (2001). Stephen Covey. London: Dorling Kindersley.

Chicago Style Citation

Heller, Robert. Stephen Covey. London: Dorling Kindersley, 2001.

MLA Citation

Heller, Robert. Stephen Covey. London: Dorling Kindersley, 2001.

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