Hartwell, D. Dogs against darkness: The story of the Seeing Eye. Rich & Cowan.
芝加哥风格引文Hartwell, Dickson. Dogs Against Darkness: The Story of the Seeing Eye. London: Rich & Cowan.
MLA引文Hartwell, Dickson. Dogs Against Darkness: The Story of the Seeing Eye. Rich & Cowan.
警告：这些引文格式不一定是100％准确.