APA Style
Covey, Stephen R.. (1990).
The 7 Habit's of Highly Effective People .
USA:
Fireside Book.
Chicago Style
Covey, Stephen R..
The 7 Habit's of Highly Effective People.
USA:
Fireside Book,
1990.
Text.
MLA Style
Covey, Stephen R..
The 7 Habit's of Highly Effective People.
USA:
Fireside Book,
1990.
Text.
Turabian Style
Covey, Stephen R..
The 7 Habit's of Highly Effective People.
USA:
Fireside Book,
1990.
Print.