APA (7th ed.) Citation

Sellman, R. R. (1957). The Vikings. Methuen.

Chicago Style (17th ed.) Citation

Sellman, R. R. The Vikings. London: Methuen, 1957.

MLA (9th ed.) Citation

Sellman, R. R. The Vikings. Methuen, 1957.

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