APA (7th ed.) Citation

Leland,Karen. (1999). Customer service for dummies. IDG books worldwide.

Chicago Style (17th ed.) Citation

Leland,Karen. Customer Service for Dummies. Canada: IDG books worldwide, 1999.

MLA (9th ed.) Citation

Leland,Karen. Customer Service for Dummies. IDG books worldwide, 1999.

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