APA (7th ed.) Citation

Lewis, W. A. (1952). The principles of economic planning: A study prepared for the Fabian Society (New ed., with a new introd.). Unwin University Books.

Chicago Style (17th ed.) Citation

Lewis, W. Arthur. The Principles of Economic Planning: A Study Prepared for the Fabian Society. New ed., with a new introd. London: Unwin University Books, 1952.

MLA (8th ed.) Citation

Lewis, W. Arthur. The Principles of Economic Planning: A Study Prepared for the Fabian Society. New ed., with a new introd. Unwin University Books, 1952.