Cita APA (7th ed.)
ebrary, Inc, Ryan, A. M., & McCullough, J. B. (2008). Cosmopolitan Twain. University of Missouri Press.
Cita Chicago (17th ed.)
ebrary, Inc, Ann M. Ryan, i Joseph B. McCullough. Cosmopolitan Twain. Columbia: University of Missouri Press, 2008.
Cita MLA (9th ed.)
ebrary, Inc, et al. Cosmopolitan Twain. University of Missouri Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.