Twain, M., & Twain, M. (1973). Routhing it. Univ. of California Pr..
Cita Chicago (17th ed.)Twain, Mark, i Mark Twain. Routhing It. Berkeley [u.a.]: Univ. of California Pr., 1973.
Cita MLA (8th ed.)Twain, Mark, i Mark Twain. Routhing It. Univ. of California Pr., 1973.
Atenció: Aquestes cites poden no estar 100% correctes.