APA (7th ed.) Citation

Webb, P., Bain, C., & Pirozzo, S. Essential epidemiology: An introduction for students and health professionals.

Chicago Style (17th ed.) Citation

Webb, Penny, Chris Bain, and Sandi Pirozzo. Essential Epidemiology: An Introduction for Students and Health Professionals.

MLA (9th ed.) Citation

Webb, Penny, et al. Essential Epidemiology: An Introduction for Students and Health Professionals.