Cita APA (7a ed.)

Domínguez, C., Armand Ugon, C., Berazategui, R., & Cordero, M. (1984). Esophagic perforation caused by extraneous elements.

Cita Chicago Style (17a ed.)

Domínguez, Carlos, César Armand Ugon, Ruver Berazategui, y Miguel Cordero. Esophagic Perforation Caused by Extraneous Elements. 1984.

Cita MLA (9a ed.)

Domínguez, Carlos, et al. Esophagic Perforation Caused by Extraneous Elements. 1984.