APA (7th ed.) Citation

Andenaes, J., Riste, O., & Skodvin, M. (1966). Norway and the Second World War. Tanum.

Chicago Style (17th ed.) Citation

Andenaes, Johs, Olav Riste, and M. Skodvin. Norway and the Second World War. Oslo: Tanum, 1966.

MLA (8th ed.) Citation

Andenaes, Johs, et al. Norway and the Second World War. Tanum, 1966.