APA (7th ed.) Citation

Gupta, S., Lehmann, D. R., & Stuart, J. A. (2001). Valuing customers. Marketing Science Institute.

Chicago Style (17th ed.) Citation

Gupta, Sunil, Donald R. Lehmann, and Jennifer Ames Stuart. Valuing Customers. Cambridge, Massachusetts: Marketing Science Institute, 2001.

MLA (9th ed.) Citation

Gupta, Sunil, et al. Valuing Customers. Marketing Science Institute, 2001.