Cita APA (7a ed.)

Twain, M. (1922). The mysterious stranger and other stories. Harper & Brothers.

Cita Chicago Style (17a ed.)

Twain, Mark. The Mysterious Stranger and Other Stories. New York [etc.]: Harper & Brothers, 1922.

Cita MLA (9a ed.)

Twain, Mark. The Mysterious Stranger and Other Stories. Harper & Brothers, 1922.