Cita APA (7th ed.)
Kraus, R. Winston Churchill: A Biography. J.B. Lippincott.
Cita Chicago (17th ed.)
Kraus, René. Winston Churchill: A Biography. Filadelfia, EUA: J.B. Lippincott.
Cita MLA (9th ed.)
Kraus, René. Winston Churchill: A Biography. J.B. Lippincott.
Atenció: Aquestes cites poden no estar 100% correctes.