APA (7th ed.) Citation

Koht, H. (1964). Driving forces in history = Drivmakter i historia, Oslo, 1959. Belknap Press of Harvard University Press.

Chicago Style (17th ed.) Citation

Koht, Halvdan. Driving Forces in History = Drivmakter I Historia, Oslo, 1959. Cambridge: Belknap Press of Harvard University Press, 1964.

MLA (9th ed.) Citation

Koht, Halvdan. Driving Forces in History = Drivmakter I Historia, Oslo, 1959. Belknap Press of Harvard University Press, 1964.