APA (7e ed.) Bronvermelding

Higgs, E. C. (1987). Doppelganger: A novel. St. Martin's Press.

Chicago (17e ed.) Bronvermelding

Higgs, Eric C. Doppelganger: A Novel. New York: St. Martin's Press, 1987.

MLA (9e ed.) Bronvermelding

Higgs, Eric C. Doppelganger: A Novel. St. Martin's Press, 1987.