Mark Twain's Travels with Mr. Brown : being heretofore uncollected sketches written by Mark Twain for the San Francisco Alta California in 1866 & 1867, describing the adventures of the author and his irrepressible companion in Nicaragua, Hannibal, New York, and other spots on their way to Europe / collected and edited with an introduction by Franklin Walker & G. Ezra Dane.
MLA
Twain, Mark, 1835-1910. Mark Twain's Travels with Mr. Brown : being heretofore uncollected sketches written by Mark Twain for the San Francisco Alta California in 1866 & 1867, describing the adventures of the author and his irrepressible companion in Nicaragua, Hannibal, New York, and other spots on their way to Europe / collected and edited with an introduction by Franklin Walker & G. Ezra Dane.. 1940. https://collections.library.yale.edu/catalog/16883921.
APA, 6th edition
Twain, Mark, 1835-1910. (1940)[Mark Twain's Travels with Mr. Brown : being heretofore uncollected sketches written by Mark Twain for the San Francisco Alta California in 1866 & 1867, describing the adventures of the author and his irrepressible companion in Nicaragua, Hannibal, New York, and other spots on their way to Europe / collected and edited with an introduction by Franklin Walker & G. Ezra Dane.]. https://collections.library.yale.edu/catalog/16883921.