Cita APA

Twain, M., & Clemens, S. L. Life on the Mississippi / Mark Twain. New York : Harper & Row.

Citación estilo Chicago

Twain, Mark, y Samuel Langhorne Clemens. Life On the Mississippi / Mark Twain. New York : Harper & Row.

Cita MLA

Twain, Mark, y Samuel Langhorne Clemens. Life On the Mississippi / Mark Twain. New York : Harper & Row.