APA (7th ed.) Citation

Pinkerton, A. (2007). The Expressman and the Detective. Project Gutenberg.

Chicago Style (17th ed.) Citation

Pinkerton, Allan. The Expressman and the Detective. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Pinkerton, Allan. The Expressman and the Detective. Project Gutenberg, 2007.

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