Pears, D. F. (1971). What is knowledge? Harper & Row.
芝加哥风格引文Pears, David Francis. What Is Knowledge? New York: Harper & Row, 1971.
MLA引文Pears, David Francis. What Is Knowledge? Harper & Row, 1971.
警告：这些引文格式不一定是100％准确.
APA引文