Citazione Stile APA (7a Edizione)

Summers, H. B. (1950). How to debate,a textbook for beginners. Wilson.

Citazione stile Chigago Style (17a edizione)

Summers, Harrison Boyd. How to Debate,a Textbook for Beginners. New York: Wilson, 1950.

Citatione MLA (9a ed.)

Summers, Harrison Boyd. How to Debate,a Textbook for Beginners. Wilson, 1950.