APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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