APA

Twain M., . (1987). Life on the Mississippi. New York: Reader's Digest Association.

Chicago

Twain Mark, . 1987. Life on the Mississippi. New York: Reader's Digest Association.

Harvard

Twain M., . (1987). Life on the Mississippi. New York: Reader's Digest Association.

MLA

Twain Mark, . Life on the Mississippi. New York: Reader's Digest Association. 1987.