APA Format
JKPNPNA. (Karl Marx, Frederick Engels).
Marx, Karl
. Karl Marx and Frederick Engels on colonialism /: .
MLA Format
JKPNPNA.
Marx, Karl
. Karl Marx and Frederick Engels on colonialism /: , Karl Marx, Frederick Engels
Chicago Format
JKPNPNA. Marx, Karl. Karl Marx and Frederick Engels on colonialism /: , Karl Marx, Frederick Engels.