Cita APA (7a ed.)

Estefan, A., Kamaid, E., Gomez Fossati, C., Delgado, B., & Praderi, R. (1977). Cholangio-digestive anastomosis in biliary cancer: Presentation of 15 cases and review of the literature.

Cita Chicago Style (17a ed.)

Estefan, Alberto, Emil Kamaid, Carlos Gomez Fossati, Bolivar Delgado, y Raúl Praderi. Cholangio-digestive Anastomosis in Biliary Cancer: Presentation of 15 Cases and Review of the Literature. 1977.

Cita MLA (9a ed.)

Estefan, Alberto, et al. Cholangio-digestive Anastomosis in Biliary Cancer: Presentation of 15 Cases and Review of the Literature. 1977.