APA (7th ed.) Citation

Tombs, I., & Smith, R. (2017). Documents on British policy overseas. Her Majesty's Stationery Office.

Chicago Style (17th ed.) Citation

Tombs, Isabelle, and Richard Smith. Documents on British Policy Overseas. London: Her Majesty's Stationery Office, 2017.

MLA (9th ed.) Citation

Tombs, Isabelle, and Richard Smith. Documents on British Policy Overseas. Her Majesty's Stationery Office, 2017.

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