APA (7th ed.) Citation

Oliver, N. (2012). Vikings: [a history] (1. publ.). Weidenfeld & Nicolson.

Chicago Style (17th ed.) Citation

Oliver, Neil. Vikings: [a History]. 1. publ. London: Weidenfeld & Nicolson, 2012.

MLA (9th ed.) Citation

Oliver, Neil. Vikings: [a History]. 1. publ. Weidenfeld & Nicolson, 2012.

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