APA (7th ed.) Citation

Ajao, F. A. (1980). Nigeria's Yobe irrigation scheme, 1959 to 1978. [publisher not identified].

Chicago Style (17th ed.) Citation

Ajao, Florence Aduke. Nigeria's Yobe Irrigation Scheme, 1959 to 1978. [Place of publication not identified]: [publisher not identified], 1980.

MLA (9th ed.) Citation

Ajao, Florence Aduke. Nigeria's Yobe Irrigation Scheme, 1959 to 1978. [publisher not identified], 1980.