MLA
Twain, Mark, 1835-1910. Choice bits from Mark Twain.. 1885. Chester W. Topp collection of Victorian yellowbacks and paperbacks. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqz4f-cor.
APA, 6th edition
Twain, Mark, 1835-1910. (1885)[Choice bits from Mark Twain.]. Chester W. Topp collection of Victorian yellowbacks and paperbacks, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqz4f-cor.
Chicago
Twain, Mark, 1835-1910, Choice bits from Mark Twain., 1885, Chester W. Topp collection of Victorian yellowbacks and paperbacks, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqz4f-cor.