Cita APA (7th ed.)

Leblanc, H. (1955). An introduction to deductive logic. John Wiley & Sons.

Cita Chicago (17th ed.)

Leblanc, Hughes. An Introduction to Deductive Logic. Nueva York: John Wiley & Sons, 1955.

Cita MLA (9th ed.)

Leblanc, Hughes. An Introduction to Deductive Logic. John Wiley & Sons, 1955.