Engels, F. (1949). The Part played by labour in the transition from ape to man.
Chicago Edition CitationEngels, Friedrich. The Part Played by Labour in the Transition from Ape to Man. Moscow, 1949.
MLA Edition CitationEngels, Friedrich. The Part Played by Labour in the Transition from Ape to Man. 1949.
Warning: These citations may not always be 100% accurate.