APA (7th ed.) Citation

McLean, C. (1996). Customer service letters ready to go! NTC Business Books.

Chicago Style (17th ed.) Citation

McLean, Cheryl. Customer Service Letters Ready to Go! Lincolnwood, Ill: NTC Business Books, 1996.

MLA (9th ed.) Citation

McLean, Cheryl. Customer Service Letters Ready to Go! NTC Business Books, 1996.