APA (7th ed.) Citation

Piper, H. B. (2006). Murder in the Gunroom. Project Gutenberg.

Chicago Style (17th ed.) Citation

Piper, H. Beam. Murder in the Gunroom. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Piper, H. Beam. Murder in the Gunroom. Project Gutenberg, 2006.

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