APA (7th ed.) Zitazioa

Imbrie, A. E. (1994). Spoken in darkness: Small-town murder and a friendship beyond death. Penguin.

Chicago Style (17th ed.) Zitazioa

Imbrie, Ann E. Spoken in Darkness: Small-town Murder and a Friendship Beyond Death. London: Penguin, 1994.

MLA (9th ed.) Zitazioa

Imbrie, Ann E. Spoken in Darkness: Small-town Murder and a Friendship Beyond Death. Penguin, 1994.