APA (7th ed.) Citation

Zemke, R. (1989). The Service Edge: 101 Companies That Profit From Customer Care. New American Library.

Chicago Style (17th ed.) Citation

Zemke, Ron. The Service Edge: 101 Companies That Profit From Customer Care. New York: New American Library, 1989.

MLA (9th ed.) Citation

Zemke, Ron. The Service Edge: 101 Companies That Profit From Customer Care. New American Library, 1989.

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