Cita APA

Engels, F., & Dutt, C. (1940). Dialectics of nature. International Publishers.

Citación estilo Chicago

Engels, Federico, and Clemens Dutt. Dialectics of Nature. New York: International Publishers, 1940.

Cita MLA

Engels, Federico, and Clemens Dutt. Dialectics of Nature. New York: International Publishers, 1940.

Precaución: Estas citas no son 100% exactas.