APA Style

Sviokla, John, Shapiro, Benson P. (1993). Keeping Customers . Boston: A Harvard Business Review Book.

Chicago Style

Sviokla, John, Shapiro, Benson P. Keeping Customers. Boston: A Harvard Business Review Book, 1993. Text.

MLA Style

Sviokla, John, Shapiro, Benson P. Keeping Customers. Boston: A Harvard Business Review Book, 1993. Text.

Turabian Style

Sviokla, John, Shapiro, Benson P. Keeping Customers. Boston: A Harvard Business Review Book, 1993. Print.