Citação norma APA

Smith, M., Wheeler, W., & Ulmer, M. (1997). Comparison of Outpatient Laparoscopic Cholecystectomy in a Private Nonteaching Hospital versus a Private Teaching Community Hospital. Society of Laparoendoscopic Surgeons.

Citação norma Chicago

Smith, Mark, William Wheeler, and M.B Ulmer. Comparison of Outpatient Laparoscopic Cholecystectomy in a Private Nonteaching Hospital Versus a Private Teaching Community Hospital. Society of Laparoendoscopic Surgeons, 1997.

Citação norma MLA

Smith, Mark, William Wheeler, and M.B Ulmer. Comparison of Outpatient Laparoscopic Cholecystectomy in a Private Nonteaching Hospital Versus a Private Teaching Community Hospital. Society of Laparoendoscopic Surgeons, 1997.

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