APA (7th ed.) Citation

Public Broadcasting Service (U.S.) & Yost, P. (2012). Secrets of the Viking sword (Widescreen edition.). PBS Distribution.

Chicago Style (17th ed.) Citation

Public Broadcasting Service (U.S.) and Peter Yost. Secrets of the Viking Sword. Widescreen edition. [United States]: PBS Distribution, 2012.

MLA (9th ed.) Citation

Public Broadcasting Service (U.S.) and Peter Yost. Secrets of the Viking Sword. Widescreen edition. PBS Distribution, 2012.

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