Cita APA (7a ed.)

Landivar, A. F., González Bosch, R., & Leoni Iparraguirre, C. A. (2019). Our experience in gastroduodenal ulcus surgery.

Cita Chicago Style (17a ed.)

Landivar, A. F., R. González Bosch, y C. A. Leoni Iparraguirre. Our Experience in Gastroduodenal Ulcus Surgery. 2019.

Cita MLA (9a ed.)

Landivar, A. F., et al. Our Experience in Gastroduodenal Ulcus Surgery. 2019.