Citazione APA

Cohen , M. R., & Nagel, E. . .. (1984). Introduction to logic and scientific method. Allied pub.

Stile di citazione Chicago

Cohen , Morris R., e Ernest Nagel. Introduction to Logic and Scientific Method. New Delhi: Allied pub, 1984.

Citazione MLA

Cohen , Morris R., e Ernest Nagel. Introduction to Logic and Scientific Method. Allied pub, 1984.