Citação norma APA

Reinders, J. S. K., Gouma, D. J., Heisterkamp, J., Tromp, E., van Ramshorst, B., & Boerma, D. (2013). Laparoscopic cholecystectomy is more difficult after a previous endoscopic retrograde cholangiography. Blackwell Publishing.

Citação norma Chicago

Reinders, Jan Siert Kayitsinga, Dirk Joan Gouma, Joos Heisterkamp, Ellen Tromp, Bert van Ramshorst, and Djamila Boerma. Laparoscopic Cholecystectomy Is More Difficult After a Previous Endoscopic Retrograde Cholangiography. Blackwell Publishing, 2013.

Citação norma MLA

Reinders, Jan Siert Kayitsinga, et al. Laparoscopic Cholecystectomy Is More Difficult After a Previous Endoscopic Retrograde Cholangiography. Blackwell Publishing, 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.