APA (7th ed.) Citation

Covey, S. R. (1990). The 7 habits of highly effective people. The Business Library.

Chicago Style (17th ed.) Citation

Covey, Stephen R. The 7 Habits of Highly Effective People. Melbourne: The Business Library, 1990.

MLA (8th ed.) Citation

Covey, Stephen R. The 7 Habits of Highly Effective People. The Business Library, 1990.

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