Cita APA (7a ed.)

Twain, M. (1989). The adventures of Tom Sawyer / Mark Twain. A Ladder Classic.

Cita Chicago Style (17a ed.)

Twain, Mark. The Adventures of Tom Sawyer / Mark Twain. Washington, Estados Unidos: A Ladder Classic, 1989.

Cita MLA (9a ed.)

Twain, Mark. The Adventures of Tom Sawyer / Mark Twain. A Ladder Classic, 1989.