APA (7th ed.) Citation

Irwin, MacNeill, D., Schwartz, R., & Trooboff, S. (1995). Travel sales and customer service: The institute of certified travel agents. Irwin.

Chicago Style (17th ed.) Citation

Irwin, Dedra MacNeill, Roberta Schwartz, and Stevan Trooboff. Travel Sales and Customer Service: The Institute of Certified Travel Agents. Boston: Irwin, 1995.

MLA (8th ed.) Citation

Irwin, et al. Travel Sales and Customer Service: The Institute of Certified Travel Agents. Irwin, 1995.