Engels Frederick. (1976). Dialectics of nature tr by Clemens Dutt (2 4.). Moscow.
Chicago Edition CitationEngels Frederick. Dialectics of Nature Tr by Clemens Dutt. 2 4. Progresws publishers: Moscow, 1976.
MLA Edition CitationEngels Frederick. Dialectics of Nature Tr by Clemens Dutt. 2 4. Moscow, 1976.
Warning: These citations may not always be 100% accurate.