Cita APA (7a ed.)

Urwick, E. J. (1912). A philosophy of social progress (1st published.). Methuen & Co.

Cita Chicago Style (17a ed.)

Urwick, Edward Johns. A Philosophy of Social Progress. 1st published. London: Methuen & Co, 1912.

Cita MLA (9a ed.)

Urwick, Edward Johns. A Philosophy of Social Progress. 1st published. Methuen & Co, 1912.