Cita APA (7a ed.)

Morelli Brum, R., Liard, W., Bertullo, H., Pomi, J., & Perdomo, R. (1977). Pancreatic abscess.

Cita Chicago Style (17a ed.)

Morelli Brum, Raúl, Washington Liard, Hugo Bertullo, Jorge Pomi, y Roberto Perdomo. Pancreatic Abscess. 1977.

Cita MLA (9a ed.)

Morelli Brum, Raúl, et al. Pancreatic Abscess. 1977.