Cita APA (7a ed.)

Armand Ugon, C., Parma, D., Ant´unez, C., & Otazu, H. (1980). Complications of Appendectomy: Analysis of 1.000 Cases.

Cita Chicago Style (17a ed.)

Armand Ugon, César, Dante Parma, Carlos Ant´unez, y Heber Otazu. Complications of Appendectomy: Analysis of 1.000 Cases. 1980.

Cita MLA (9a ed.)

Armand Ugon, César, et al. Complications of Appendectomy: Analysis of 1.000 Cases. 1980.