APA (7th ed.) Citation

Holmqvist, W., & Granath, K. (1979). Swedish Vikings on Helgö and Birka. Swedish Booksellers' Ass.

Chicago Style (17th ed.) Citation

Holmqvist, Wilhelm, and Karl-Erik Granath. Swedish Vikings on Helgö and Birka. Stockholm: Swedish Booksellers' Ass, 1979.

MLA (9th ed.) Citation

Holmqvist, Wilhelm, and Karl-Erik Granath. Swedish Vikings on Helgö and Birka. Swedish Booksellers' Ass, 1979.