Citazione Stile APA (7a Edizione)

Cohen, M. R., & Nagel, E. (1934). An introduction to logic and scientific method. Harcourt, Brace & World.

Citazione stile Chigago Style (17a edizione)

Cohen, Morris Raphael, e Ernest Nagel. An Introduction to Logic and Scientific Method. Nueva York: Harcourt, Brace & World, 1934.

Citatione MLA (9a ed.)

Cohen, Morris Raphael, e Ernest Nagel. An Introduction to Logic and Scientific Method. Harcourt, Brace & World, 1934.