Cita APA (7a ed.)

Montgomery, C. A., & Porter, M. E. (1991). Strategy: Seeking and securing competitive advantage. Harvard Business Review Book.

Cita Chicago Style (17a ed.)

Montgomery, Cynthia A., y Michael E. Porter. Strategy: Seeking and Securing Competitive Advantage. Boston: Harvard Business Review Book, 1991.

Cita MLA (8a ed.)

Montgomery, Cynthia A., y Michael E. Porter. Strategy: Seeking and Securing Competitive Advantage. Harvard Business Review Book, 1991.