MLA
Twain, Mark, 1835-1910. The Mississippi pilot. 1881. Chester W. Topp collection of Victorian yellowbacks and paperbacks. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsf5k-cor.
APA, 6th edition
Twain, Mark, 1835-1910. (1881)[The Mississippi pilot]. Chester W. Topp collection of Victorian yellowbacks and paperbacks, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsf5k-cor.
Chicago
Twain, Mark, 1835-1910, The Mississippi pilot, 1881, Chester W. Topp collection of Victorian yellowbacks and paperbacks, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/784zgmsf5k-cor.