APA (7th ed.) Citation

Marsh, R., & Pfiffard, H. (2012). Tom Ossington's Ghost. Project Gutenberg.

Chicago Style (17th ed.) Citation

Marsh, Richard, and Harold Pfiffard. Tom Ossington's Ghost. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Marsh, Richard, and Harold Pfiffard. Tom Ossington's Ghost. Project Gutenberg, 2012.

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