APA (7th ed.) Citation

LEWIS, W. A. (1969). Principles of economic planning: A study prepared for the Fabian Society. Unwin Univ. Books.

Chicago Style (17th ed.) Citation

LEWIS, W. Arthur. Principles of Economic Planning: A Study Prepared for the Fabian Society. London: Unwin Univ. Books, 1969.

MLA (9th ed.) Citation

LEWIS, W. Arthur. Principles of Economic Planning: A Study Prepared for the Fabian Society. Unwin Univ. Books, 1969.