Krugman, S., & Katz, S. L. (1981). Infectious diseases of children <i>en</i>.
芝加哥风格引文Krugman, Saul, 与 Samuel L. Katz. Infectious Diseases of Children <i>en</i>. 1981.
MLA引文Krugman, Saul, 与 Samuel L. Katz. Infectious Diseases of Children <i>en</i>. 1981.
警告：这些引文格式不一定是100％准确.