APA

Twain M., . (1967). The innocents abroad: or, The new pilgrim's progress; being some account of the steamship Quaker City's pleasure excursion to Europe and the Holy Land. New York: Airmont Books.

Chicago

Twain Mark, . 1967. The innocents abroad: or, The new pilgrim's progress; being some account of the steamship Quaker City's pleasure excursion to Europe and the Holy Land. New York: Airmont Books.

Harvard

Twain M., . (1967). The innocents abroad: or, The new pilgrim's progress; being some account of the steamship Quaker City's pleasure excursion to Europe and the Holy Land. New York: Airmont Books.

MLA

Twain Mark, . The innocents abroad: or, The new pilgrim's progress; being some account of the steamship Quaker City's pleasure excursion to Europe and the Holy Land. New York: Airmont Books. 1967.