Cita APA (7a ed.)

Cohen, M. R., & Nagel, E. (1966). An Introduction to logic and scientific method. Routledge & Kegan Paul.

Cita Chicago Style (17a ed.)

Cohen, Morris R., y Ernest Nagel. An Introduction to Logic and Scientific Method. London: Routledge & Kegan Paul, 1966.

Cita MLA (9a ed.)

Cohen, Morris R., y Ernest Nagel. An Introduction to Logic and Scientific Method. Routledge & Kegan Paul, 1966.