Cita APA (7a ed.)

Balboa, O., Voelker, R., & Lerena, A. (1980). Protected Esophago - Gastric Anastomosis: Lortat - Jacob's Technique.

Cita Chicago Style (17a ed.)

Balboa, Oscar, Ricardo Voelker, y Ana Lerena. Protected Esophago - Gastric Anastomosis: Lortat - Jacob's Technique. 1980.

Cita MLA (9a ed.)

Balboa, Oscar, et al. Protected Esophago - Gastric Anastomosis: Lortat - Jacob's Technique. 1980.