APA aipamena

Karl Marx & Frederick Engels. (1985). Karl Marx Frederick Engels: Collected works (v.41). Lawrance and Wishant.

Chicago Style aipamena

Karl Marx and Frederick Engels. Karl Marx Frederick Engels: Collected Works (v.41). London: Lawrance and Wishant, 1985.

MLA aipamena

Karl Marx and Frederick Engels. Karl Marx Frederick Engels: Collected Works (v.41). Lawrance and Wishant, 1985.