APA (7th ed.) Citation

Timm, P. R. (1992). 50 powerful ideas you can use to keep your customers. Career Press.

Chicago Style (17th ed.) Citation

Timm, Paul R. 50 Powerful Ideas You Can Use to Keep Your Customers. Hawthorne, NJ: Career Press, 1992.

MLA (9th ed.) Citation

Timm, Paul R. 50 Powerful Ideas You Can Use to Keep Your Customers. Career Press, 1992.