Cita APA

Karl Marx & Frederick Engels. (2001). Karl Marx Frederick Engels: Collected works (v.49). Lawrance and Wishant.

Chicago Edition Citation

Karl Marx i Frederick Engels. Karl Marx Frederick Engels: Collected Works (v.49). London: Lawrance and Wishant, 2001.

Cita MLA

Karl Marx i Frederick Engels. Karl Marx Frederick Engels: Collected Works (v.49). Lawrance and Wishant, 2001.