Cita APA

Doyle, A. C. S. 1. (1963). A study in scarlet and The sing of four. New York, New York: Berkley.

Citación estilo Chicago

Doyle, Arthur Conan Sir 1859-1930. A Study in Scarlet and The Sing of Four. New York, New York: Berkley, 1963.

Cita MLA

Doyle, Arthur Conan Sir 1859-1930. A Study in Scarlet and The Sing of Four. New York, New York: Berkley, 1963.