Cita APA (7th ed.)

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.