APA (7th ed.) Citation

Derry, T. K. (1973). A history of modern Norway, 1814-1972 / T.K. Derry. Clarendon Press.

Chicago Style (17th ed.) Citation

Derry, T. K. A History of Modern Norway, 1814-1972 / T.K. Derry. Oxford: Clarendon Press, 1973.

MLA (9th ed.) Citation

Derry, T. K. A History of Modern Norway, 1814-1972 / T.K. Derry. Clarendon Press, 1973.

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