एपीए उद्धरण

Cohen, M. R. (1977). A preface to logic. New York: Dover Publications.

शिकागो स्टाइल उद्धरण

Cohen, Morris R. A Preface to Logic. New York: Dover Publications, 1977.

एमएलए उद्धरण

Cohen, Morris R. A Preface to Logic. New York: Dover Publications, 1977.