Cita APA (7a ed.)

Gran Bretaña. Foreign Office. Historical Section. (1920). Angola (includind Cabinda). H.M. Stationery Office.

Cita Chicago Style (17a ed.)

Gran Bretaña. Foreign Office. Historical Section. Angola (includind Cabinda). London: H.M. Stationery Office, 1920.

Cita MLA (9a ed.)

Gran Bretaña. Foreign Office. Historical Section. Angola (includind Cabinda). H.M. Stationery Office, 1920.