APA (7th ed.) Citation

Reichheld, F. F. (2001). Loyalty rules!: How today's leaders built lasting relationships. Harvard School Press.

Chicago Style (17th ed.) Citation

Reichheld, Frederick F. Loyalty Rules!: How Today's Leaders Built Lasting Relationships. Boston: Harvard School Press, 2001.

MLA (8th ed.) Citation

Reichheld, Frederick F. Loyalty Rules!: How Today's Leaders Built Lasting Relationships. Harvard School Press, 2001.