APA (7th ed.) Citation

Wiley InterScience (Online service), Sitaraman, S. V., & Friedman, L. S. (2012). Essentials of gastroenterology. Wiley-Blackwell. https://doi.org/10.1002/9781119959762

Chicago Style (17th ed.) Citation

Wiley InterScience (Online service), Shanthi V. Sitaraman, and Lawrence S. Friedman. Essentials of Gastroenterology. Chichester, West Sussex: Wiley-Blackwell, 2012. https://doi.org/10.1002/9781119959762.

MLA (8th ed.) Citation

Wiley InterScience (Online service), et al. Essentials of Gastroenterology. Wiley-Blackwell, 2012. https://doi.org/10.1002/9781119959762.