Iscuss Marxs analysis of the forms of alienation? Are they still relevant for understanding contemporary society?

this subject is called classical sociology and the word limit is 1500 words without the referencing
id like to have my references in harvard style and i will attach my lecture slide notes for a start up and then key readings relevant to my essay question

please simple question and make sure you answer the question right as it consist of 2 parts the first one is the 4 types of alienation and the second part is that if they are relevant for understanding contemporary society?