Schachner, J. B. (2002). Yo, Vikings! Dutton Children's Books.
Cita Chicago Style (17a ed.)Schachner, Judith Byron. Yo, Vikings! New York: Dutton Children's Books, 2002.
Cita MLA (8a ed.)Schachner, Judith Byron. Yo, Vikings! Dutton Children's Books, 2002.
Precaución: Estas citas no son 100% exactas.