Cita APA (7th ed.)

Twain, M. (1984). The Innocents Abroad Roughing It. The Library of America.

Cita Chicago (17th ed.)

Twain, Mark. The Innocents Abroad Roughing It. New York, Estados Unidos: The Library of America, 1984.

Cita MLA (9th ed.)

Twain, Mark. The Innocents Abroad Roughing It. The Library of America, 1984.