APA (7th ed.) Citation

Great Britain. Foreign Office. (1938). The Constitutions of all countries. H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. Foreign Office. The Constitutions of All Countries. London: H.M.S.O., 1938.

MLA (8th ed.) Citation

Great Britain. Foreign Office. The Constitutions of All Countries. H.M.S.O., 1938.

Warning: These citations may not always be 100% accurate.