Cita APA (7th ed.)

Leblanc, H., & Wisdom, W. A. (1976). Deductive logic (2nd ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

Leblanc, Hugues, i William A. Wisdom. Deductive Logic. 2nd ed. Boston: Allyn and Bacon, 1976.

Cita MLA (9th ed.)

Leblanc, Hugues, i William A. Wisdom. Deductive Logic. 2nd ed. Allyn and Bacon, 1976.