APA (7th ed.) Citation

Cantwell, J. D. (1998). The Second World War: A guide to documents in the Public Record Office. Public Record Office.

Chicago Style (17th ed.) Citation

Cantwell, John D. The Second World War: A Guide to Documents in the Public Record Office. Richmond: Public Record Office, 1998.

MLA (8th ed.) Citation

Cantwell, John D. The Second World War: A Guide to Documents in the Public Record Office. Public Record Office, 1998.