Cita APA (7a ed.)

Beguiristain, A., Rompani, O. C., & Praderi, R. (1980). Technical Difficulties in Biliary Surgery Arising From Overlong Hepatic Duct.

Cita Chicago Style (17a ed.)

Beguiristain, Alberto, Omar C. Rompani, y Raúl Praderi. Technical Difficulties in Biliary Surgery Arising From Overlong Hepatic Duct. 1980.

Cita MLA (9a ed.)

Beguiristain, Alberto, et al. Technical Difficulties in Biliary Surgery Arising From Overlong Hepatic Duct. 1980.