Pollard, A., Scheifele, D., & Rosenstein, N. (2001). Epidemiology of meningococcal disease in north america.
芝加哥风格引文Pollard, A., D. Scheifele, 与 N. Rosenstein. Epidemiology of Meningococcal Disease in North America. 2001.
MLA引文Pollard, A., et al. Epidemiology of Meningococcal Disease in North America. 2001.
警告：这些引文格式不一定是100％准确.