APA (7th ed.) Citation

Protectorate of Southern Nigeria (Nigeria). (1901). Blue book. Govt. Printer.

Chicago Style (17th ed.) Citation

Protectorate of Southern Nigeria (Nigeria). Blue Book. [Calabar: Govt. Printer, 1901.

MLA (8th ed.) Citation

Protectorate of Southern Nigeria (Nigeria). Blue Book. Govt. Printer, 1901.

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