Cita APA (7a ed.)

Doyle, A. C., Ker, J. Y. K., & Strange, D. (1991). Sherlock Holmes and the mystery of boscombe pool. Penguin books.

Cita Chicago Style (17a ed.)

Doyle, Arthur Conan, J. Y. K. Ker, y Derek Strange. Sherlock Holmes and the Mystery of Boscombe Pool. London: Penguin books, 1991.

Cita MLA (8a ed.)

Doyle, Arthur Conan, et al. Sherlock Holmes and the Mystery of Boscombe Pool. Penguin books, 1991.