Cita APA (7th ed.)
ebrary, Inc, Graham-Campbell, J., & Williams, G. (2007). Silver economy in the Viking age. Left Coast Press.
Cita Chicago (17th ed.)
ebrary, Inc, James Graham-Campbell, i Gareth Williams. Silver Economy in the Viking Age. Walnut Creek, Calif.: Left Coast Press, 2007.
Cita MLA (9th ed.)
ebrary, Inc, et al. Silver Economy in the Viking Age. Left Coast Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.