Doyle, A. C. (1981). Complete Sherlock Holmes (1a. ed.). Penguin Books.
Cita Chicago (17th ed.)Doyle, Arthur Conan. Complete Sherlock Holmes. 1a. ed. Londres: Penguin Books, 1981.
Cita MLA (9th ed.)Doyle, Arthur Conan. Complete Sherlock Holmes. 1a. ed. Penguin Books, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.