ENGELS, F. (1950). Socialism: Utopian and scientific. Allen & Unwin.
Citación estilo ChicagoENGELS, Frederick. Socialism: Utopian and Scientific. London: Allen & Unwin, 1950.
Cita MLAENGELS, Frederick. Socialism: Utopian and Scientific. Allen & Unwin, 1950.
Warning: These citations may not always be 100% accurate.