APA (7th ed.) Citation

O'Shaughnessy, J. (1992). Competitive marketing : a strategic approach / John O'Shaughnessy: A strategic approach (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

O'Shaughnessy, John. Competitive Marketing : A Strategic Approach / John O'Shaughnessy: A Strategic Approach. 2nd ed. London: Routledge, 1992.

MLA (9th ed.) Citation

O'Shaughnessy, John. Competitive Marketing : A Strategic Approach / John O'Shaughnessy: A Strategic Approach. 2nd ed. Routledge, 1992.

Warning: These citations may not always be 100% accurate.