APA Style
Porter, Michael E.. (1998).
On competition .
Boston:
Harvard Business Review.
Chicago Style
Porter, Michael E..
On competition.
Boston:
Harvard Business Review,
1998.
Text.
MLA Style
Porter, Michael E..
On competition.
Boston:
Harvard Business Review,
1998.
Text.
Turabian Style
Porter, Michael E..
On competition.
Boston:
Harvard Business Review,
1998.
Print.