APA (7th ed.) Citation

Armstrong, G., Opresnik, M. O., & Kotler, P. (2012). Marketing: An introduction (second edition.). Pearson.

Chicago Style (17th ed.) Citation

Armstrong, Gary, Marc O. Opresnik, and Philip Kotler. Marketing: An Introduction. second edition. Harlow, England: Pearson, 2012.

MLA (9th ed.) Citation

Armstrong, Gary, et al. Marketing: An Introduction. second edition. Pearson, 2012.