APA (7th ed.) Citation

Reid, M. (2011). The Headless Horseman A Strange Tale of Texas. Project Gutenberg.

Chicago Style (17th ed.) Citation

Reid, Mayne. The Headless Horseman A Strange Tale of Texas. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Reid, Mayne. The Headless Horseman A Strange Tale of Texas. Project Gutenberg, 2011.

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