APA (7th ed.) Citation

Richards, R. C. (2012). Railroad Accidents Their Cause and Prevention. Project Gutenberg.

Chicago Style (17th ed.) Citation

Richards, R. C. Railroad Accidents Their Cause and Prevention. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Richards, R. C. Railroad Accidents Their Cause and Prevention. Project Gutenberg, 2012.

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