Ashley, M. (1972). The life and times of King John. Weidenfeld and Nicolson.
芝加哥风格引文Ashley, Maurice. The Life and Times of King John. London: Weidenfeld and Nicolson, 1972.
MLA引文Ashley, Maurice. The Life and Times of King John. Weidenfeld and Nicolson, 1972.
警告：这些引文格式不一定是100％准确.