APA সাইটেশন

Cohen, M. R. (1934). An introduction to logic and scientific method. Harcourt, Brace and company.

শিকাগো স্টাইলে সাইটেশন

Cohen, Morris Raphael. An Introduction to Logic and Scientific Method. New York: Harcourt, Brace and company, 1934.

এমএলএ সাইটেশন

Cohen, Morris Raphael. An Introduction to Logic and Scientific Method. Harcourt, Brace and company, 1934.