Cita APA (7a ed.)

Gran Bretaña. Foreign Office. Historical Section. (1920). Azores and Madeira. H.M. Stationery Office.

Cita Chicago Style (17a ed.)

Gran Bretaña. Foreign Office. Historical Section. Azores and Madeira. London: H.M. Stationery Office, 1920.

Cita MLA (9a ed.)

Gran Bretaña. Foreign Office. Historical Section. Azores and Madeira. H.M. Stationery Office, 1920.