APA (7th ed.) Zitazioa

Stone, I. (1981). The Origin: A biographical novel of Charles Darwin. Cassell.

Chicago Style (17th ed.) Zitazioa

Stone, Irving. The Origin: A Biographical Novel of Charles Darwin. London: Cassell, 1981.

MLA (9th ed.) Zitazioa

Stone, Irving. The Origin: A Biographical Novel of Charles Darwin. Cassell, 1981.