Cita APA (7a ed.)

Reichheld, F. F., & Teal, T. (1996). The Loyalty effect: The hidden force behind growth, profits, and lasting value. Hardvard Business School Press.

Cita Chicago Style (17a ed.)

Reichheld, Frederick F., y Thomas Teal. The Loyalty Effect: The Hidden Force Behind Growth, Profits, and Lasting Value. Boston: Hardvard Business School Press, 1996.

Cita MLA (9a ed.)

Reichheld, Frederick F., y Thomas Teal. The Loyalty Effect: The Hidden Force Behind Growth, Profits, and Lasting Value. Hardvard Business School Press, 1996.