APA (7th ed.) Citation

Steel, A. (1980). The Vikings (1. publ.). Heinemann.

Chicago Style (17th ed.) Citation

Steel, Alan. The Vikings. 1. publ. London [u.a.]: Heinemann, 1980.

MLA (9th ed.) Citation

Steel, Alan. The Vikings. 1. publ. Heinemann, 1980.

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