Cita APA (7a ed.)

Christopher, M., Payne, A., & Ballantyne, D. (1994). Relationship marketing: Bringing quality, customer service, and marketing together (1st pub., 2nd reprint.). Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Christopher, Martin, Adrian Payne, y David Ballantyne. Relationship Marketing: Bringing Quality, Customer Service, and Marketing Together. 1st pub., 2nd reprint. Oxford [etc.]: Butterworth-Heinemann, 1994.

Cita MLA (9a ed.)

Christopher, Martin, et al. Relationship Marketing: Bringing Quality, Customer Service, and Marketing Together. 1st pub., 2nd reprint. Butterworth-Heinemann, 1994.