Cita APA (7a ed.)

Adeyanju, D. O. (1972). Notes on school certificate regional geography (West Africa) (1. ed.). Progresso Publ.

Cita Chicago Style (17a ed.)

Adeyanju, D. O. Notes on School Certificate Regional Geography (West Africa). 1. ed. Ibadan: Progresso Publ, 1972.

Cita MLA (9a ed.)

Adeyanju, D. O. Notes on School Certificate Regional Geography (West Africa). 1. ed. Progresso Publ, 1972.