Cita APA (7a ed.)

Praderi, R., Ormaechea, C., & Delgado, B. (1971). Cephalic duodenopancreatectomy: Technical considerations regarding 18 operated cases.

Cita Chicago Style (17a ed.)

Praderi, Raul, Carlos Ormaechea, y Bolivar Delgado. Cephalic Duodenopancreatectomy: Technical Considerations Regarding 18 Operated Cases. 1971.

Cita MLA (9a ed.)

Praderi, Raul, et al. Cephalic Duodenopancreatectomy: Technical Considerations Regarding 18 Operated Cases. 1971.