APA (7th ed.) Citation

Oppenheim, E. P. (2012). Master of Men. Project Gutenberg.

Chicago Style (17th ed.) Citation

Oppenheim, E. Phillips. Master of Men. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Oppenheim, E. Phillips. Master of Men. Project Gutenberg, 2012.

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