APA

,, . (1978). The Hague congress of the first International meeting Sept 2-7,1872. Moscow: Progress Publishers.

Chicago

,, . 1978. The Hague congress of the first International meeting Sept 2-7,1872. Moscow: Progress Publishers.

Harvard

,, . (1978). The Hague congress of the first International meeting Sept 2-7,1872. Moscow: Progress Publishers.

MLA

,, . The Hague congress of the first International meeting Sept 2-7,1872. Moscow: Progress Publishers. 1978.