Engels, F., Dutt, C., & Haldane, J. (1940). Dialectics of nature (1ª ed.). London: Lawrence and Wishart.
Cita MLA (8 ed.) (Copiar al portapapeles)Engels, Friedrich, Clemens Dutt, and J.B.S Haldane. Dialectics of Nature. 1ª ed. London: Lawrence and Wishart , 1940.