Joshua, E. (2007). Mary Shelley: 'Frankenstein'. Humanities-Ebooks.
芝加哥风格引文Joshua, Essaka. Mary Shelley: 'Frankenstein'. Tirril [England] ; Penrith, Calif.: Humanities-Ebooks, 2007.
MLA引文Joshua, Essaka. Mary Shelley: 'Frankenstein'. Humanities-Ebooks, 2007.
警告：这些引文格式不一定是100％准确.