Cita APA (7a ed.)

Cornwell, B. (2009). Sword song: The battle for London (First Harper paperback.). Harper.

Cita Chicago Style (17a ed.)

Cornwell, Bernard. Sword Song: The Battle for London. First Harper paperback. New York: Harper, 2009.

Cita MLA (8a ed.)

Cornwell, Bernard. Sword Song: The Battle for London. First Harper paperback. Harper, 2009.

Precaución: Estas citas no son 100% exactas.