Cita APA (7a ed.)

Praderi, L., & Parada, R. (1972). Combined radiation therapy and surgery for esophageal cancer.

Cita Chicago Style (17a ed.)

Praderi, Luis, y Ricardo Parada. Combined Radiation Therapy and Surgery for Esophageal Cancer. 1972.

Cita MLA (9a ed.)

Praderi, Luis, y Ricardo Parada. Combined Radiation Therapy and Surgery for Esophageal Cancer. 1972.

Precaución: Estas citas no son 100% exactas.