APA (7th ed.) Citation

Great Britain. Foreign Office. (1926). Papers relating to slavery in the Sudan. H. M. Stationery off.

Chicago Style (17th ed.) Citation

Great Britain. Foreign Office. Papers Relating to Slavery in the Sudan. London: H. M. Stationery off, 1926.

MLA (9th ed.) Citation

Great Britain. Foreign Office. Papers Relating to Slavery in the Sudan. H. M. Stationery off, 1926.