Cita APA (7a ed.)

Croci, F., dos Santos, G., Rabellino, J., Kamaid, E., & Cordal, A. (1985). Spontaneous hemoperitoneum and digestive hemorrhage determined by sigmoidal simple ulcer.

Cita Chicago Style (17a ed.)

Croci, Fabio, Gustavo dos Santos, Joaquín Rabellino, Emil Kamaid, y Adriana Cordal. Spontaneous Hemoperitoneum and Digestive Hemorrhage Determined by Sigmoidal Simple Ulcer. 1985.

Cita MLA (9a ed.)

Croci, Fabio, et al. Spontaneous Hemoperitoneum and Digestive Hemorrhage Determined by Sigmoidal Simple Ulcer. 1985.