APA (7th ed.) Citation

Stevenson, B. E. (2003). The Mystery of the Boule Cabinet: A Detective Story. Project Gutenberg.

Chicago Style (17th ed.) Citation

Stevenson, Burton Egbert. The Mystery of the Boule Cabinet: A Detective Story. Project Gutenberg, 2003.

MLA (9th ed.) Citation

Stevenson, Burton Egbert. The Mystery of the Boule Cabinet: A Detective Story. Project Gutenberg, 2003.

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