Cita APA

Graham-Campbell, J., & Williams, G. (2007). Silver economy in the Viking age. Walnut Creek, Calif.: Left Coast Press.

Citación estilo Chicago

Graham-Campbell, James., and Gareth Williams. Silver Economy in the Viking Age. Walnut Creek, Calif.: Left Coast Press, 2007.

Cita MLA

Graham-Campbell, James., and Gareth Williams. Silver Economy in the Viking Age. Walnut Creek, Calif.: Left Coast Press, 2007.