Cita APA (7a ed.)

O'Shaughnessy, J. (1995). Competitive marketing, a strategic approach (3rd ed. rev. and enl.). Routledge.

Cita Chicago Style (17a ed.)

O'Shaughnessy, John. Competitive Marketing, a Strategic Approach. 3rd ed. rev. and enl. London [etc.]: Routledge, 1995.

Cita MLA (9a ed.)

O'Shaughnessy, John. Competitive Marketing, a Strategic Approach. 3rd ed. rev. and enl. Routledge, 1995.