Cita APA

Riddell, G. A. (1935). The treaty of Versailles and after. George Allen & Unwin.

Citación estilo Chicago

Riddell, George Allardice. The Treaty of Versailles and After. London: George Allen & Unwin, 1935.

Cita MLA

Riddell, George Allardice. The Treaty of Versailles and After. George Allen & Unwin, 1935.