MLA

Patti, Marco Di Corpo, and Francisco Schlottmann. Foregut Surgery: Achalasia, Gastroesophageal Reflux Disease and Obesity. Springer International Publishing, 2020.

APA

Patti, P., Di Corpo, M., & Schlottmann, F. (2020). Foregut Surgery: Achalasia, Gastroesophageal Reflux Disease and Obesity. Springer International Publishing.

Chicago

Patti, Marco Di Corpo, and Francisco Schlottmann. Foregut Surgery: Achalasia, Gastroesophageal Reflux Disease and Obesity. : Springer International Publishing, 2020.