Cita APA (7a ed.)

Pérez Billi, L., Pallas, A., Sbárbaro, O., Murguia, E., Lattaro, D., Delfino, A., . . . Praderi, R. (1986). Cysts of the child's main bile duct: Cyst-jejunostomy on diverticular loop.

Cita Chicago Style (17a ed.)

Pérez Billi, Luis, Antonio Pallas, Orestes Sbárbaro, Elida Murguia, Diver Lattaro, Aquiles Delfino, Oscar Chavarría, y Raúl Praderi. Cysts of the Child's Main Bile Duct: Cyst-jejunostomy on Diverticular Loop. 1986.

Cita MLA (9a ed.)

Pérez Billi, Luis, et al. Cysts of the Child's Main Bile Duct: Cyst-jejunostomy on Diverticular Loop. 1986.