Cita APA (7a ed.)

Great Britain. Foreign Office & Great Britain. Public Record Office. (1978). General correspondence, political. Public Record Office.

Cita Chicago Style (17a ed.)

Great Britain. Foreign Office y Great Britain. Public Record Office. General Correspondence, Political. London: Public Record Office, 1978.

Cita MLA (8a ed.)

Great Britain. Foreign Office y Great Britain. Public Record Office. General Correspondence, Political. Public Record Office, 1978.