Yell, J., Wojnarowska, F., Allen, J., & Burge, S. (1993). Bullous systemic lupus erythematosus--a variable disease.
芝加哥风格引文Yell, J., F. Wojnarowska, J. Allen, 与 S. Burge. Bullous Systemic Lupus Erythematosus--a Variable Disease. 1993.
MLA引文Yell, J., et al. Bullous Systemic Lupus Erythematosus--a Variable Disease. 1993.
警告：这些引文格式不一定是100％准确.