APA (7e ed.) Bronvermelding
Howard, W. (1979). Gore Vidal's Caligula: A novel based on Gore Vidal's original screenplay. Warner books.
Chicago (17e ed.) Bronvermelding
Howard, William. Gore Vidal's Caligula: A Novel Based on Gore Vidal's Original Screenplay. New York: Warner books, 1979.
MLA (9e ed.) Bronvermelding
Howard, William. Gore Vidal's Caligula: A Novel Based on Gore Vidal's Original Screenplay. Warner books, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.