APA (7th ed.) Citation

Prichard, K., & Prichard, H. V. H. (2009). A Modern Mercenary. Project Gutenberg.

Chicago Style (17th ed.) Citation

Prichard, K., and Hesketh Vernon Hesketh Prichard. A Modern Mercenary. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Prichard, K., and Hesketh Vernon Hesketh Prichard. A Modern Mercenary. Project Gutenberg, 2009.

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