Cita APA (7th ed.)
Balboa, O., Bertullo, H., Voelker, R., Lerena, A., & Perdomo, R. (1979). Sedal trans-hepatic choledocostomy: Its use in liver trauma.
Cita Chicago (17th ed.)
Balboa, Oscar, Hugo Bertullo, Ricardo Voelker, Ana Lerena, i Roberto Perdomo. Sedal Trans-hepatic Choledocostomy: Its Use in Liver Trauma. 1979.
Cita MLA (9th ed.)
Balboa, Oscar, et al. Sedal Trans-hepatic Choledocostomy: Its Use in Liver Trauma. 1979.
Atenció: Aquestes cites poden no estar 100% correctes.