APA (7th ed.) Citation

Time-Life Books. (1997). What life was like when longships sailed: Vikings AD 800-1100. Time-Life Books.

Chicago Style (17th ed.) Citation

Time-Life Books. What Life Was like When Longships Sailed: Vikings AD 800-1100. Alexandria, Va: Time-Life Books, 1997.

MLA (9th ed.) Citation

Time-Life Books. What Life Was like When Longships Sailed: Vikings AD 800-1100. Time-Life Books, 1997.