Cita APA

Twain, M. 1., & Twain, M. 1. (1972). Roughing it. Berkeley: University of California Press.

Citación estilo Chicago

Twain, Mark 1835-1910, y Mark 1835-1910 Twain. Roughing It. Berkeley: University of California Press, 1972.

Cita MLA

Twain, Mark 1835-1910, y Mark 1835-1910 Twain. Roughing It. Berkeley: University of California Press, 1972.