एपीए उद्धरण

Marx & Engels. (1979). Pre-capitalist socio-economic formations: A collection. Progress Publishers.

शिकागो स्टाइल उद्धरण

Marx और Engels. Pre-capitalist Socio-economic Formations: A Collection. Moscow: Progress Publishers, 1979.

एमएलए उद्धरण

Marx और Engels. Pre-capitalist Socio-economic Formations: A Collection. Progress Publishers, 1979.