APA (7th ed.) Citation

Vigness, P. G. (1932). The neutrality of Norway in the World War. Stanford University Press.

Chicago Style (17th ed.) Citation

Vigness, Paul Gerhardt. The Neutrality of Norway in the World War. Stanford, Calif: Stanford University Press, 1932.

MLA (9th ed.) Citation

Vigness, Paul Gerhardt. The Neutrality of Norway in the World War. Stanford University Press, 1932.