APA Style
Covey, Stephen R.. (1990).
The 7 habits of highly effective people / Stephen R. Covey .
New York:
Simon and Schuster.
Chicago Style
Covey, Stephen R..
The 7 habits of highly effective people / Stephen R. Covey.
New York:
Simon and Schuster,
1990.
Text.
MLA Style
Covey, Stephen R..
The 7 habits of highly effective people / Stephen R. Covey.
New York:
Simon and Schuster,
1990.
Text.
Turabian Style
Covey, Stephen R..
The 7 habits of highly effective people / Stephen R. Covey.
New York:
Simon and Schuster,
1990.
Print.