Цитирование APA (7-е изд.)
Howard, W. (1979). Gore Vidal's Caligula: A novel based on Gore Vidal's original screenplay. Warner books.
Цитирование в стиле Чикаго (17-е изд.)
Howard, William. Gore Vidal's Caligula: A Novel Based on Gore Vidal's Original Screenplay. New York: Warner books, 1979.
Цитирование MLA (9-е изд.)
Howard, William. Gore Vidal's Caligula: A Novel Based on Gore Vidal's Original Screenplay. Warner books, 1979.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.