APA (7th ed.) Citation

Reynolds, M., & Brown, F. (2009). Happy Ending. Project Gutenberg.

Chicago Style (17th ed.) Citation

Reynolds, Mack, and Fredric Brown. Happy Ending. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Reynolds, Mack, and Fredric Brown. Happy Ending. Project Gutenberg, 2009.

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