Cita APA (7a ed.)

Doyle, A. C. (1951). The case-book of Sherlock Holmes. Penguin.

Cita Chicago Style (17a ed.)

Doyle, Arthur Conan. The Case-book of Sherlock Holmes. Harmondsworth [etc.]: Penguin, 1951.

Cita MLA (9a ed.)

Doyle, Arthur Conan. The Case-book of Sherlock Holmes. Penguin, 1951.