APA (7th ed.) Citation

Marshall, C. H. (2013). Horse Laughs. Project Gutenberg.

Chicago Style (17th ed.) Citation

Marshall, Chas. H. Horse Laughs. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Marshall, Chas. H. Horse Laughs. Project Gutenberg, 2013.

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