APA (7th ed.) Citation

ZEITHAML, V. A. (1990). Delivering quality service: Balancing customer perceptions and expections. The Free Press.

Chicago Style (17th ed.) Citation

ZEITHAML, Valarie A. Delivering Quality Service: Balancing Customer Perceptions and Expections. New York: The Free Press, 1990.

MLA (8th ed.) Citation

ZEITHAML, Valarie A. Delivering Quality Service: Balancing Customer Perceptions and Expections. The Free Press, 1990.

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