Doyle, A. C., Merrison, C., & Williams, M. (2010). Sherlock Holmes essentials. Audio Go/BBC Audiobooks America.
Cita Chicago Style (17a ed.)Doyle, Arthur Conan, Clive Merrison, y Michael Williams. Sherlock Holmes Essentials. North Kingstown, RI: Audio Go/BBC Audiobooks America, 2010.
Cita MLA (8a ed.)Doyle, Arthur Conan, et al. Sherlock Holmes Essentials. Audio Go/BBC Audiobooks America, 2010.
Precaución: Estas citas no son 100% exactas.