Houghton, G. E. (1937). The foundations of economics. Staples [etc.].
Cita Chicago Style (17a ed.)Houghton, G. E. The Foundations of Economics. London: Staples [etc.], 1937.
Cita MLA (9a ed.)Houghton, G. E. The Foundations of Economics. Staples [etc.], 1937.
Precaución: Estas citas no son 100% exactas.