Cita APA (7a ed.)

George, H. (1911). The conditions of labour. An open letter to Pope Leo XIII. Swan Sonnenschein & Co.

Cita Chicago Style (17a ed.)

George, Henry. The Conditions of Labour. An Open Letter to Pope Leo XIII. Londres: Swan Sonnenschein & Co, 1911.

Cita MLA (9a ed.)

George, Henry. The Conditions of Labour. An Open Letter to Pope Leo XIII. Swan Sonnenschein & Co, 1911.