APA (7th ed.) Citation

Owen, R. (2015). The world of a viking warrior. Ruby Tuesday Books Ltd..

Chicago Style (17th ed.) Citation

Owen, Ruth. The World of a Viking Warrior. [S.l.]: Ruby Tuesday Books Ltd., 2015.

MLA (9th ed.) Citation

Owen, Ruth. The World of a Viking Warrior. Ruby Tuesday Books Ltd., 2015.

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