APA (7th ed.) Citation

Wallace, M. B., Fockens, P., & Sung, J. J. (2018). Gastroenterological Endoscopy.

Chicago Style (17th ed.) Citation

Wallace, Michael B., Paul Fockens, and Joseph Jao-Yiu Sung. Gastroenterological Endoscopy. 2018.

MLA (9th ed.) Citation

Wallace, Michael B., et al. Gastroenterological Endoscopy. 2018.