Knight, S., & Morris, P. (2008). Azathioprine and Steroids. Elsevier.
芝加哥风格引文Knight, SR, 与 P. Morris. Azathioprine and Steroids. Elsevier, 2008.
MLA引文Knight, SR, 与 P. Morris. Azathioprine and Steroids. Elsevier, 2008.
警告：这些引文格式不一定是100％准确.
APA引文