APA (7th ed.) Citation

DiJulius, J. R. (2003). Secret service: Hidden systems that deliver unforgettable customer service. AMACOM.

Chicago Style (17th ed.) Citation

DiJulius, John R. Secret Service: Hidden Systems That Deliver Unforgettable Customer Service. New York: AMACOM, 2003.

MLA (8th ed.) Citation

DiJulius, John R. Secret Service: Hidden Systems That Deliver Unforgettable Customer Service. AMACOM, 2003.

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