Citazione Stile APA (7a Edizione)

McLellan, D. (1971). The Thought of Karl Marx: An introduction. Macmillan.

Citazione stile Chigago Style (17a edizione)

McLellan, David. The Thought of Karl Marx: An Introduction. London: Macmillan, 1971.

Citatione MLA (9a ed.)

McLellan, David. The Thought of Karl Marx: An Introduction. Macmillan, 1971.