APA (7th ed.) Citation

United Kingdom. Foreign Office. Historical Section & Prothero, G. (1920). Poland: General sketch of history 1569-1815. HMSO.

Chicago Style (17th ed.) Citation

United Kingdom. Foreign Office. Historical Section and G.W Prothero. Poland: General Sketch of History 1569-1815. London: HMSO, 1920.

MLA (8th ed.) Citation

United Kingdom. Foreign Office. Historical Section and G.W Prothero. Poland: General Sketch of History 1569-1815. HMSO, 1920.