APA (7th ed.) Citation

Reynolds, M., & Birmingham, L. (2008). Mercenary. Project Gutenberg.

Chicago Style (17th ed.) Citation

Reynolds, Mack, and Lloyd Birmingham. Mercenary. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Reynolds, Mack, and Lloyd Birmingham. Mercenary. Project Gutenberg, 2008.

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