Cita APA (7a ed.)

Scharnhorst, G. (2019). The Life of Mark Twain: The Middle Years, 1871-1891. University of Missouri Press.

Cita Chicago Style (17a ed.)

Scharnhorst, Gary. The Life of Mark Twain: The Middle Years, 1871-1891. Columbia: University of Missouri Press, 2019.

Cita MLA (8a ed.)

Scharnhorst, Gary. The Life of Mark Twain: The Middle Years, 1871-1891. University of Missouri Press, 2019.