APA (7th ed.) Citation

Great Britain. Colonial Office. (1965). British Guiana. H.M.S.O.

Chicago Style (17th ed.) Citation

Great Britain. Colonial Office. British Guiana. H.M.S.O, 1965.

MLA (9th ed.) Citation

Great Britain. Colonial Office. British Guiana. H.M.S.O, 1965.

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