Engels,Frederick. (1954). Dialectics of nature. Foreign Languages Publishing House.
Čikaški stil citiranjaEngels,Frederick. Dialectics of Nature. Moscow: Foreign Languages Publishing House, 1954.
MLA način citiranjaEngels,Frederick. Dialectics of Nature. Foreign Languages Publishing House, 1954.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.