APA Style

Gunther, R, E. et al (2002). Convergence marketing : Running with the centaurs . Upper Saddle River, NJ: Financial Times Prentice Hall.

MLA Style

Gunther, Robert, E. et al. "Convergence marketing : Running with the centaurs". Upper Saddle River, NJ: Financial Times Prentice Hall, 2002. Text.