APA Style
Covey, Stephen R.. (1989).
The 7 habits of highly effective people .
New York:
Simon & Schuster.
Chicago Style
Covey, Stephen R..
The 7 habits of highly effective people.
New York:
Simon & Schuster,
1989.
Text.
MLA Style
Covey, Stephen R..
The 7 habits of highly effective people.
New York:
Simon & Schuster,
1989.
Text.
Turabian Style
Covey, Stephen R..
The 7 habits of highly effective people.
New York:
Simon & Schuster,
1989.
Print.