Cita APA

Twain, M. (2004). Letters from the earth: Uncensored writings. New York: Harper Perennial.

Citación estilo Chicago

Twain, Mark. Letters From the Earth: Uncensored Writings. New York: Harper Perennial, 2004.

Cita MLA

Twain, Mark. Letters From the Earth: Uncensored Writings. New York: Harper Perennial, 2004.

Precaución: Estas citas no son 100% exactas.