APA (7th ed.) Zitazioa
Collier, M. (1989). The folded heart. Wesleyan University Press.
Chicago Style (17th ed.) Zitazioa
Collier, Michael. The Folded Heart. Middletown, Conn.: Wesleyan University Press, 1989.
MLA (9th ed.) Zitazioa
Collier, Michael. The Folded Heart. Wesleyan University Press, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.