Chicago: Arthur Conan Doyle, "Chapter 1. The Warning," The Valley of Fear, trans. Evans, Sebastian in The Valley of Fear Original Sources, accessed May 12, 2024, http://originalsources.com/Document.aspx?DocID=7MHCGFY3WG566PC.
MLA: Doyle, Arthur Conan. "Chapter 1. The Warning." The Valley of Fear, translted by Evans, Sebastian, in The Valley of Fear, Original Sources. 12 May. 2024. http://originalsources.com/Document.aspx?DocID=7MHCGFY3WG566PC.
Harvard: Doyle, AC, 'Chapter 1. The Warning' in The Valley of Fear, trans. . cited in , The Valley of Fear. Original Sources, retrieved 12 May 2024, from http://originalsources.com/Document.aspx?DocID=7MHCGFY3WG566PC.