APA Edition Citation

Covey, S. R. (1989). 7 habits of highly effective people.

Chicago Edition Citation

Covey, Stephen R. 7 Habits of Highly Effective People. Pocket Books, London, 1989.

MLA Edition Citation

Covey, Stephen R. 7 Habits of Highly Effective People. 1989.

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