Ponsonby, A. A. W. H. (1910). The camel and the needle's eye. A.C. Fifield.
芝加哥风格引文Ponsonby, Arthur Augustus William Harry. The Camel and the Needle's Eye. London: A.C. Fifield, 1910.
MLA引文Ponsonby, Arthur Augustus William Harry. The Camel and the Needle's Eye. A.C. Fifield, 1910.
警告：这些引文格式不一定是100％准确.