Doyle, A. C., & Page, J. (2010). Sherlock Holmes: The sign of four. Oxford University Press.
芝加哥风格引文Doyle, Arthur Conan, 与 Jeremy Page. Sherlock Holmes: The Sign of Four. Oxford: Oxford University Press, 2010.
MLA引文Doyle, Arthur Conan, 与 Jeremy Page. Sherlock Holmes: The Sign of Four. Oxford University Press, 2010.
警告：这些引文格式不一定是100％准确.