APA (7th ed.) Citation

Sviokla, J. J., & Shapiro, B. P. (1993). Keeping customers. The Havard Business Review Book.

Chicago Style (17th ed.) Citation

Sviokla, John J., and Benson P. Shapiro. Keeping Customers. Boston: The Havard Business Review Book, 1993.

MLA (8th ed.) Citation

Sviokla, John J., and Benson P. Shapiro. Keeping Customers. The Havard Business Review Book, 1993.