Bocca, G. (1958). The adventurous life of Winston Churchill: By Geoffrey Bocca. Messner.
Chicago-Zitierstil (17. Ausg.)Bocca, Geoffrey. The Adventurous Life of Winston Churchill: By Geoffrey Bocca. New York: Messner, 1958.
MLA-Zitierstil (8. Ausg.)Bocca, Geoffrey. The Adventurous Life of Winston Churchill: By Geoffrey Bocca. Messner, 1958.
警告：這些引文格式不一定是100％准確.