Cita APA (7th ed.)

Twain, M. (1966). The innocents abroad or the new pilgrims progress. New American Library.

Cita Chicago (17th ed.)

Twain, Mark. The Innocents Abroad or the New Pilgrims Progress. New York: New American Library, 1966.

Cita MLA (9th ed.)

Twain, Mark. The Innocents Abroad or the New Pilgrims Progress. New American Library, 1966.