APA (7th ed.) Citation

Snorri Sturluson, 1., Magnusson, M., & Hermann Pálsson. (1966). King Harald's saga: Harald Hardradi of Norway. Penguin Books.

Chicago Style (17th ed.) Citation

Snorri Sturluson, 1179?-1241, Magnus Magnusson, and Hermann Pálsson. King Harald's Saga: Harald Hardradi of Norway. Harmondsworth : Baltimore: Penguin Books, 1966.

MLA (8th ed.) Citation

Snorri Sturluson, 1179?-1241, et al. King Harald's Saga: Harald Hardradi of Norway. Penguin Books, 1966.