Cita APA (7a ed.)

Lewis, W. A. (1949). The principles of economics planning: A study prepared for the Fabian society. Dobson.

Cita Chicago Style (17a ed.)

Lewis, William Arthur. The Principles of Economics Planning: A Study Prepared for the Fabian Society. Londres: Dobson, 1949.

Cita MLA (9a ed.)

Lewis, William Arthur. The Principles of Economics Planning: A Study Prepared for the Fabian Society. Dobson, 1949.