Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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