APA (7th ed.) Zitazioa

Friedrich, O. (1965). Ring Lardner. University of Minnesota Press.

Chicago Style (17th ed.) Zitazioa

Friedrich, Otto. Ring Lardner. Minnespolis: University of Minnesota Press, 1965.

MLA (9th ed.) Zitazioa

Friedrich, Otto. Ring Lardner. University of Minnesota Press, 1965.