APA (7th ed.) Citation

Great Britain. Colonial Office. African blue books, 1821-1953. Microform Academic Publishers.

Chicago Style (17th ed.) Citation

Great Britain. Colonial Office. African Blue Books, 1821-1953. Wakefield, U.K.: Microform Academic Publishers.

MLA (8th ed.) Citation

Great Britain. Colonial Office. African Blue Books, 1821-1953. Microform Academic Publishers.

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