APA Style

Knorr, K., Black, C, E. (1979). World Politics: A Quarterly Journal of Internationla Relations (Volume XXXI, Number 4 July 1979). New Jersey: Princeton University Press.

MLA Style

Knorr, Klaus., Black, Cyril, E.. "World Politics: A Quarterly Journal of Internationla Relations". Volume XXXI, Number 4 July 1979 New Jersey: Princeton University Press, 1979. Jurnal Ilmiah.