APA

Gordon-Brown A., . (1940). The South and East African Year Book. London: Sampson Low.

Chicago

Gordon-Brown Alfred, . 1940. The South and East African Year Book. London: Sampson Low.

Harvard

Gordon-Brown A., . (1940). The South and East African Year Book. London: Sampson Low.

MLA

Gordon-Brown Alfred, . The South and East African Year Book. London: Sampson Low. 1940.