APA (7th ed.) Citation

Suttle, M., & Vest, L. J. (2009). Who's your Gladys?: How to turn even your most difficult customer into your biggest fan. AMACOM.

Chicago Style (17th ed.) Citation

Suttle, Marilyn, and Lori Jo Vest. Who's Your Gladys?: How to Turn Even Your Most Difficult Customer into Your Biggest Fan. New York: AMACOM, 2009.

MLA (9th ed.) Citation

Suttle, Marilyn, and Lori Jo Vest. Who's Your Gladys?: How to Turn Even Your Most Difficult Customer into Your Biggest Fan. AMACOM, 2009.