Bellamy, R. F. (1956). A preface to the social sciences. McGraw-Hill.
芝加哥风格引文Bellamy, Raymond F. A Preface to the Social Sciences. New York: McGraw-Hill, 1956.
MLA引文Bellamy, Raymond F. A Preface to the Social Sciences. McGraw-Hill, 1956.
警告：这些引文格式不一定是100％准确.