Hough, E., & Keller, A. I. (2009). The Magnificent Adventure Being the Story of the World's Greatest Exploration and the Romance of a Very Gallant Gentleman. Project Gutenberg.
Chicago Style (17th ed.) CitationHough, Emerson, and Arthur Ignatius Keller. The Magnificent Adventure Being the Story of the World's Greatest Exploration and the Romance of a Very Gallant Gentleman. Project Gutenberg, 2009.
MLA (9th ed.) CitationHough, Emerson, and Arthur Ignatius Keller. The Magnificent Adventure Being the Story of the World's Greatest Exploration and the Romance of a Very Gallant Gentleman. Project Gutenberg, 2009.
Warning: These citations may not always be 100% accurate.