APA Citation

Stephen R. Covey, & Franklin Covey. (1990). The 7 habits og highly effective people: Powerful lesson in personal change. New York: Rockfeller Center.

Chicago Style Citation

Stephen R. Covey, and Franklin Covey. The 7 Habits Og Highly Effective People: Powerful Lesson in Personal Change. New York: Rockfeller Center, 1990.

MLA Citation

Stephen R. Covey, and Franklin Covey. The 7 Habits Og Highly Effective People: Powerful Lesson in Personal Change. New York: Rockfeller Center, 1990.

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