APA (7th ed.) Citation

Lewis, W. A. (1952). The principles of economic planning (2a. ed.). Unwin University Books.

Chicago Style (17th ed.) Citation

Lewis, W. Arthur. The Principles of Economic Planning. 2a. ed. Londres: Unwin University Books, 1952.

MLA (9th ed.) Citation

Lewis, W. Arthur. The Principles of Economic Planning. 2a. ed. Unwin University Books, 1952.

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