Cita APA (7a ed.)
Birley, R. (1951). Speeches and Documents in American History: 1914-1939. Oxford University.
Cita estilo Chicago (17a ed.)
Birley, Robert. Speeches and Documents in American History: 1914-1939. Londres, Inglaterra: Oxford University, 1951.
Cita MLA (9a ed.)
Birley, Robert. Speeches and Documents in American History: 1914-1939. Oxford University, 1951.
Precaución: Estas citas no son 100% exactas.