Cita APA (7a ed.)

Torterolo, E., Estapé, G., Lizaso, I., Ferrari, I., Ruocco, A., Carámbula, J. C., . . . Goller, W. (1980). Digestive Bleeding due to Vascular Malformations.

Cita Chicago Style (17a ed.)

Torterolo, Edgardo, Gonzalo Estapé, Isabel Lizaso, Ivonne Ferrari, Alvaro Ruocco, Julio C. Carámbula, Eduardo Tiscornia, y Wolfgang Goller. Digestive Bleeding Due to Vascular Malformations. 1980.

Cita MLA (9a ed.)

Torterolo, Edgardo, et al. Digestive Bleeding Due to Vascular Malformations. 1980.