APA (7th ed.) Citation

Great Britain. Foreign Office. Historical Section. (1920). Portuguese possessions in India. H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. Foreign Office. Historical Section. Portuguese Possessions in India. London: H.M.S.O., 1920.

MLA (8th ed.) Citation

Great Britain. Foreign Office. Historical Section. Portuguese Possessions in India. H.M.S.O., 1920.