APA (7th ed.) Citation
Cohen, M. R., & Nagel, E. (1946). An Introduction to logic and scientific method. Harcourt, Brace & Co.
Chicago Style (17th ed.) Citation
Cohen, Morris Raphael, and Ernest Nagel. An Introduction to Logic and Scientific Method. New York: Harcourt, Brace & Co, 1946.
MLA (9th ed.) Citation
Cohen, Morris Raphael, and Ernest Nagel. An Introduction to Logic and Scientific Method. Harcourt, Brace & Co, 1946.
Warning: These citations may not always be 100% accurate.