Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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