Cita APA (7th ed.)

COHEN, M. R. (1978). An Introduction to logic and scientific: Method. Routledge and Kegan Paul.

Cita Chicago (17th ed.)

COHEN, Morris R. An Introduction to Logic and Scientific: Method. London: Routledge and Kegan Paul, 1978.

Cita MLA (9th ed.)

COHEN, Morris R. An Introduction to Logic and Scientific: Method. Routledge and Kegan Paul, 1978.