APA (7th ed.) Citation

Doyle, A. C. (2007). My Friend The Murderer. Project Gutenberg.

Chicago Style (17th ed.) Citation

Doyle, Arthur Conan. My Friend The Murderer. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Doyle, Arthur Conan. My Friend The Murderer. Project Gutenberg, 2007.

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