APA (7th ed.) Citation

Zeithaml, V. A., Bitner, M. J., & Gremler, D. D. Services marketing: Integrating customer focus across the firm (5th ed.).

Chicago Style (17th ed.) Citation

Zeithaml, Valarie A., Mary Jo Bitner, and Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. 5th ed.

MLA (8th ed.) Citation

Zeithaml, Valarie A., et al. Services Marketing: Integrating Customer Focus Across the Firm. 5th ed.