APA (7th ed.) Citation

Doyle, A. C.. (1994). The adventures of Sherlock Holmes. Penguin Books.

Chicago Style (17th ed.) Citation

Doyle, Arthur Conan. The Adventures of Sherlock Holmes. London: Penguin Books, 1994.

MLA (9th ed.) Citation

Doyle, Arthur Conan. The Adventures of Sherlock Holmes. Penguin Books, 1994.

Warning: These citations may not always be 100% accurate.