APA Style
Porter, Michael E.. (1998).
On Competition .
Boston:
A Harvard Busines Review Book.
Chicago Style
Porter, Michael E..
On Competition.
Boston:
A Harvard Busines Review Book,
1998.
Text.
MLA Style
Porter, Michael E..
On Competition.
Boston:
A Harvard Busines Review Book,
1998.
Text.
Turabian Style
Porter, Michael E..
On Competition.
Boston:
A Harvard Busines Review Book,
1998.
Print.