APA (7th ed.) Citation

Zeithaml, V. A., Bitner, M. J., & Gremler, D. D. (2013). Services marketing: Integrating customer focus across the firm (6. ed., international edition.). McGraw-Hill Irwin.

Chicago Style (17th ed.) Citation

Zeithaml, Valarie A., Mary Jo Bitner, and Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. 6. ed., international edition. New York, NY: McGraw-Hill Irwin, 2013.

MLA (9th ed.) Citation

Zeithaml, Valarie A., et al. Services Marketing: Integrating Customer Focus Across the Firm. 6. ed., international edition. McGraw-Hill Irwin, 2013.