MLA

Granderath, Frank Alexander; Kamolz, Thomas; Pointner, Rudolph, et al. Gastroesophageal Reflux Disease. Springer Vienna, 2006.

APA

Granderath, R., Granderath, F. A, Kamolz, T., & Pointner, R. (2006). Gastroesophageal Reflux Disease. Springer Vienna.

Chicago

Granderath, Frank Alexander; Kamolz, Thomas; Pointner, Rudolph, Frank A Granderath, Thomas Kamolz, and Rudolph Pointner. Gastroesophageal Reflux Disease. : Springer Vienna, 2006.