Cita APA (7a ed.)

Machado, F., Santiago, P., Barberousse, C., Barrios, E., & Carriquiry, L. A. (2002). Comparison of surgery results in two risk-adjusted populations through the POSSUM system.

Cita Chicago Style (17a ed.)

Machado, Fernando, Pablo Santiago, Carlos Barberousse, Enrique Barrios, y Luis A. Carriquiry. Comparison of Surgery Results in Two Risk-adjusted Populations Through the POSSUM System. 2002.

Cita MLA (9a ed.)

Machado, Fernando, et al. Comparison of Surgery Results in Two Risk-adjusted Populations Through the POSSUM System. 2002.