Cita APA (7a ed.)

Balboa, O., Bertullo, H., Voelker, R., Lerena, A., & Perdomo, R. (1979). Sedal trans-hepatic choledocostomy: Its use in liver trauma.

Cita Chicago Style (17a ed.)

Balboa, Oscar, Hugo Bertullo, Ricardo Voelker, Ana Lerena, y Roberto Perdomo. Sedal Trans-hepatic Choledocostomy: Its Use in Liver Trauma. 1979.

Cita MLA (9a ed.)

Balboa, Oscar, et al. Sedal Trans-hepatic Choledocostomy: Its Use in Liver Trauma. 1979.