Sadovnick, A., Yee, I., & Ebers, G. (2005). Multiple sclerosis and birth order: A longitudinal cohort study.
芝加哥风格引文Sadovnick, A., I. Yee, 与 G. Ebers. Multiple Sclerosis and Birth Order: A Longitudinal Cohort Study. 2005.
MLA引文Sadovnick, A., et al. Multiple Sclerosis and Birth Order: A Longitudinal Cohort Study. 2005.
警告：这些引文格式不一定是100％准确.