APA (7th ed.) Citation

Zemke, R., & Schaaf, D. (1990). The service edge : 101 companies that profit from customercare / by Ron Zemke, with Dick Schaaf: 101 companies that profit from customercare. Plume.

Chicago Style (17th ed.) Citation

Zemke, Ron, and Dick Schaaf. The Service Edge : 101 Companies That Profit from Customercare / by Ron Zemke, with Dick Schaaf: 101 Companies That Profit from Customercare. New York: Plume, 1990.

MLA (9th ed.) Citation

Zemke, Ron, and Dick Schaaf. The Service Edge : 101 Companies That Profit from Customercare / by Ron Zemke, with Dick Schaaf: 101 Companies That Profit from Customercare. Plume, 1990.

Warning: These citations may not always be 100% accurate.