APA (7th ed.) Zitazioa

(1964). Drama in the modern world: Plays and essays. D.C. Heath.

Chicago Style (17th ed.) Zitazioa

Drama in the Modern World: Plays and Essays. Boston: D.C. Heath, 1964.

MLA (9th ed.) Zitazioa

Drama in the Modern World: Plays and Essays. D.C. Heath, 1964.