Cita APA (7a ed.)

Urban, W. M. (1909). Valuation its nature and laws: An introduction to the general theory of value. Swan Sonnenschein.

Cita Chicago Style (17a ed.)

Urban, Wilbur Marshal. Valuation Its Nature and Laws: An Introduction to the General Theory of Value. London: Swan Sonnenschein, 1909.

Cita MLA (8a ed.)

Urban, Wilbur Marshal. Valuation Its Nature and Laws: An Introduction to the General Theory of Value. Swan Sonnenschein, 1909.