(1970). Variorum collected studies series: CS. Routledge, Taylor & Francis Group.
芝加哥风格引文Variorum Collected Studies Series: CS. London New York: Routledge, Taylor & Francis Group, 1970.
MLA引文Variorum Collected Studies Series: CS. Routledge, Taylor & Francis Group, 1970.
警告：这些引文格式不一定是100％准确.