APA (7th ed.) Citation

Klindt-Jensen, O., & Ehrén, S. (1970). The world of the Vikings. Allen & Unwin.

Chicago Style (17th ed.) Citation

Klindt-Jensen, Ole, and Svenolov Ehrén. The World of the Vikings. London: Allen & Unwin, 1970.

MLA (9th ed.) Citation

Klindt-Jensen, Ole, and Svenolov Ehrén. The World of the Vikings. Allen & Unwin, 1970.

Warning: These citations may not always be 100% accurate.