Cita APA (7a ed.)

Uncles, M. D., Dowling, G. R., & Hammond, K. (2003). Customer loyalty and customer loyalty programs. [s.n.].

Cita Chicago Style (17a ed.)

Uncles, Mark D., Grahame R. Dowling, y Kathy Hammond. Customer Loyalty and Customer Loyalty Programs. [S.l.]: [s.n.], 2003.

Cita MLA (9a ed.)

Uncles, Mark D., et al. Customer Loyalty and Customer Loyalty Programs. [s.n.], 2003.