APA (7th ed.) Citation

COCHRANE, P. (1995). The customer only rings once: Managing telephone contact with your customers. Pitman publishing.

Chicago Style (17th ed.) Citation

COCHRANE, Pat. The Customer Only Rings Once: Managing Telephone Contact with Your Customers. London: Pitman publishing, 1995.

MLA (8th ed.) Citation

COCHRANE, Pat. The Customer Only Rings Once: Managing Telephone Contact with Your Customers. Pitman publishing, 1995.