Cita APA (7a ed.)

Messent, P. B. (1997). Mark Twain. MacMillan.

Cita Chicago Style (17a ed.)

Messent, Peter B. Mark Twain. Basingstoke [etc.]: MacMillan, 1997.

Cita MLA (9a ed.)

Messent, Peter B. Mark Twain. MacMillan, 1997.