APA (7th ed.) Citation

Sawyer, P. H. (1971). The age of the Vikings / (by) P.H. Sawyer (2nd ed.). Edward Arnold.

Chicago Style (17th ed.) Citation

Sawyer, P. H. The Age of the Vikings / (by) P.H. Sawyer. 2nd ed. London: Edward Arnold, 1971.

MLA (9th ed.) Citation

Sawyer, P. H. The Age of the Vikings / (by) P.H. Sawyer. 2nd ed. Edward Arnold, 1971.

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