APA (7. basım) Alıntı

Leonard, H. S. (1967). Principles of reasoning: An introduction to: logic, methodology and the theory of signs. Dover.

Chicago Style (17. basım) Atıf

Leonard, Henry Siggins. Principles of Reasoning: An Introduction to: Logic, Methodology and the Theory of Signs. New York: Dover, 1967.

MLA (8th ed.) Atıf

Leonard, Henry Siggins. Principles of Reasoning: An Introduction to: Logic, Methodology and the Theory of Signs. Dover, 1967.