APA (7th ed.) Citation

Marx, K. (1952). A history of economic theories (1st.). Langland Press.

Chicago Style (17th ed.) Citation

Marx, Karl. A History of Economic Theories. 1st. New York: Langland Press, 1952.

MLA (9th ed.) Citation

Marx, Karl. A History of Economic Theories. 1st. Langland Press, 1952.