Cita APA (7a ed.)

Twain, M., Baender, P., & Rogers, F. R. (1973). Roughing It: The works of Mark Twain. University of California.

Cita Chicago Style (17a ed.)

Twain, Mark, Paul Baender, y Franklin R. Rogers. Roughing It: The Works of Mark Twain. Berkeley ; Los Angeles: University of California, 1973.

Cita MLA (9a ed.)

Twain, Mark, et al. Roughing It: The Works of Mark Twain. University of California, 1973.