Protectorate of Southern Nigeria (Nigeria). (1901). Blue book. Govt. Printer.
Chicago Style (17th ed.) CitationProtectorate of Southern Nigeria (Nigeria). Blue Book. [Calabar: Govt. Printer, 1901.
Cita MLAProtectorate of Southern Nigeria (Nigeria). Blue Book. Govt. Printer, 1901.
Atenció: Aquestes cites poden no estar 100% correctes.