Cita APA

Bell, L. (1972). The second World War: A guide to documents in the Public Record Office. HMSO.

Citación estilo Chicago

Bell, L. The Second World War: A Guide to Documents in the Public Record Office. London: HMSO, 1972.

Cita MLA

Bell, L. The Second World War: A Guide to Documents in the Public Record Office. HMSO, 1972.