APA Citation

Doyle, S. A. C. (2017). Sherlock Holmes: The Sign Of The Four. Shira Media.

Chicago Style Citation

Doyle, Sir Arthur Conan. Sherlock Holmes: The Sign Of The Four. Shira Media, 2017.

MLA Citation

Doyle, Sir Arthur Conan. Sherlock Holmes: The Sign Of The Four. Shira Media, 2017.

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