Citazione Stile APA (7a Edizione)

Hurley, P. J., & Watson, L. (2018). Concise introduction to logic (13th ed.). Cengage.

Citazione stile Chigago Style (17a edizione)

Hurley, Patrick J., e Lori Watson. Concise Introduction to Logic. 13th ed. India: Cengage, 2018.

Citatione MLA (9a ed.)

Hurley, Patrick J., e Lori Watson. Concise Introduction to Logic. 13th ed. Cengage, 2018.