Cita APA (7a ed.)

Veirano, G., Bermúdez, J., & Morelli, R. (1992). Intraoperative cholangiography in laparoscopic biliary surgery.

Cita Chicago Style (17a ed.)

Veirano, Gustavo, Jorge Bermúdez, y Raúl Morelli. Intraoperative Cholangiography in Laparoscopic Biliary Surgery. 1992.

Cita MLA (9a ed.)

Veirano, Gustavo, et al. Intraoperative Cholangiography in Laparoscopic Biliary Surgery. 1992.