Cita APA (7a ed.)

Ríos Bruno, G., Alallón, W., Negrotto, G., Petersen, F., Puig, R., Tiscornia, E., & Touya, E. (1983). Diagnosis in acute abdominal distress.

Cita Chicago Style (17a ed.)

Ríos Bruno, Guaymirán, Walter Alallón, Gonzalo Negrotto, Federico Petersen, Roberto Puig, Eduardo Tiscornia, y Eduardo Touya. Diagnosis in Acute Abdominal Distress. 1983.

Cita MLA (9a ed.)

Ríos Bruno, Guaymirán, et al. Diagnosis in Acute Abdominal Distress. 1983.