Cita APA (7a ed.)

Great Britain. Colonial Office & Great Britain. Public Record Office. (1970). Original Correspondence. Public Record Office.

Cita Chicago Style (17a ed.)

Great Britain. Colonial Office y Great Britain. Public Record Office. Original Correspondence. London: Public Record Office, 1970.

Cita MLA (8a ed.)

Great Britain. Colonial Office y Great Britain. Public Record Office. Original Correspondence. Public Record Office, 1970.