Cita APA (7a ed.)

Valenzuela, A., Ricciardi, N., Montero, M., Tchekmedyian, V., Geninazzi, H., & Aguirre, C. (1980). Pharyngo - esophageal diverticulum: Systematization of Diagnostic and Therapeutic Study.

Cita Chicago Style (17a ed.)

Valenzuela, Alvaro, Norma Ricciardi, Mario Montero, Vartan Tchekmedyian, Héctor Geninazzi, y Carlos Aguirre. Pharyngo - Esophageal Diverticulum: Systematization of Diagnostic and Therapeutic Study. 1980.

Cita MLA (9a ed.)

Valenzuela, Alvaro, et al. Pharyngo - Esophageal Diverticulum: Systematization of Diagnostic and Therapeutic Study. 1980.