APA

Guillain C., Malivoire J. H., . (2010). Vikings. Chicago, USA: Raintree.

Chicago

Guillain Charlotte, Malivoire Joanna Hinton, . 2010. Vikings. Chicago, USA: Raintree.

Harvard

Guillain C., Malivoire J. H., . (2010). Vikings. Chicago, USA: Raintree.

MLA

Guillain Charlotte, Malivoire Joanna Hinton, . Vikings. Chicago, USA: Raintree. 2010.