APA (7th ed.) Zitazioa

Toulmin, S. (2001). Return to reason. Harvard University Press.

Chicago Style (17th ed.) Zitazioa

Toulmin, Stephen. Return to Reason. Cambridge, MA: Harvard University Press, 2001.

MLA (9th ed.) Zitazioa

Toulmin, Stephen. Return to Reason. Harvard University Press, 2001.