Gaya APA

al., E., N, K, V. (1990). Social sciences: Quarterly review Vol. XXI, No. 2, 1990 . Moscow: USSR Academy of Sciences.

Gaya MLA

al., Et., N, Kudryavtsev, V.. "Social sciences: Quarterly review Vol. XXI, No. 2, 1990". Moscow: USSR Academy of Sciences, 1990. Text.