Style de citation APA (7e éd.)

Northern Provinces of Nigeria (Nigeria). Prisons Dept. (1916). Report on the Prisons Department, Northern Provinces of Nigeria, for the year .. Govt. Printer.

Style de citation Chicago (17e éd.)

Northern Provinces of Nigeria (Nigeria). Prisons Dept. Report on the Prisons Department, Northern Provinces of Nigeria, for the Year .. Lagos: Govt. Printer, 1916.

Style de citation MLA (8e éd.)

Northern Provinces of Nigeria (Nigeria). Prisons Dept. Report on the Prisons Department, Northern Provinces of Nigeria, for the Year .. Govt. Printer, 1916.