APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.