APA Edition Citation

Castberg, F. (1957). Problems of legal philosophy (2d rev.ed.). Oslo University Press.

Chicago Edition Citation

Castberg, Frede. Problems of Legal Philosophy. 2d rev.ed. Oslo: Oslo University Press, 1957.

MLA Edition Citation

Castberg, Frede. Problems of Legal Philosophy. 2d rev.ed. Oslo University Press, 1957.