APA引文

Bellamy, R. F. (1956). A preface to the social sciences. McGraw-Hill.

Chicago Style (17th ed.) Citation

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.