Chicago: Lewis Carroll, A Riddle Original Sources, accessed April 25, 2024, http://originalsources.com/Document.aspx?DocID=7TGHDXB15FU9KY2.
MLA: Carroll, Lewis. A Riddle, Original Sources. 25 Apr. 2024. http://originalsources.com/Document.aspx?DocID=7TGHDXB15FU9KY2.
Harvard: Carroll, L, A Riddle. Original Sources, retrieved 25 April 2024, from http://originalsources.com/Document.aspx?DocID=7TGHDXB15FU9KY2.