APA (7th ed.) Citation

Great Britain. State Paper Office & Great Britain. Public Record Office. (1972). State papers. Public Record Office.

Chicago Style (17th ed.) Citation

Great Britain. State Paper Office and Great Britain. Public Record Office. State Papers. London: Public Record Office, 1972.

MLA (8th ed.) Citation

Great Britain. State Paper Office and Great Britain. Public Record Office. State Papers. Public Record Office, 1972.