The Vikings

MLA

Roesdahl, Else, Susan M Margeson, and Kirsten Williams. The Vikings. 2nd ed. London: Penguin Books, 1998.

APA

Roesdahl, E., Margeson, S. M, & Williams, K. (1998). The Vikings. 2nd ed. London: Penguin Books.

Chicago

Roesdahl, Else, The Vikings. Translated by Susan M Margeson and Kirsten Williams. 2nd ed. London: Penguin Books, 1998.