APA (7th ed.) Citation

Heller, R. Stephen Covey. Dorling Kindersley : 2001.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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