Metcalfe, D., Salim, A., Olufajo, O., Gabbe, B., Zogg, C., Harris, M., . . . Costa, M. (2016). Hospital case volume and outcomes for proximal femoral fractures in the United States: An observational study. BMJ Publishing Group: Open Access.
芝加哥风格引文Metcalfe, D., A. Salim, O. Olufajo, B. Gabbe, C. Zogg, M. Harris, D. Perry, 与 M. Costa. Hospital Case Volume and Outcomes for Proximal Femoral Fractures in the United States: An Observational Study. BMJ Publishing Group: Open Access, 2016.
MLA引文Metcalfe, D., et al. Hospital Case Volume and Outcomes for Proximal Femoral Fractures in the United States: An Observational Study. BMJ Publishing Group: Open Access, 2016.
警告:这些引文格式不一定是100%准确.