APA (7th ed.) Citation

Leblanc, H. (1955). An introduction to deductive logic.

Chicago Style (17th ed.) Citation

Leblanc, Hugues. An Introduction to Deductive Logic. 1955.

MLA (9th ed.) Citation

Leblanc, Hugues. An Introduction to Deductive Logic. 1955.

Warning: These citations may not always be 100% accurate.