APA-referens (7:e uppl.)

Cohen, M. R. (1956). A preface to logic. Meridian Books.

Chicago-referens (17:e uppl.)

Cohen, Morris Raphael. A Preface to Logic. New York: Meridian Books, 1956.

MLA-referens (9:e uppl.)

Cohen, Morris Raphael. A Preface to Logic. Meridian Books, 1956.