APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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