Citazione Stile APA (7a Edizione)

Ogunsola, J. B. (1971). Notes on West African history (1,000 A.D. - present day): For West African school certificate and G.C.E. 'O' level students (1. ed.). Progresso Publ.

Citazione stile Chigago Style (17a edizione)

Ogunsola, J. B. Notes on West African History (1,000 A.D. - Present Day): For West African School Certificate and G.C.E. 'O' Level Students. 1. ed. Ibadan: Progresso Publ, 1971.

Citatione MLA (9a ed.)

Ogunsola, J. B. Notes on West African History (1,000 A.D. - Present Day): For West African School Certificate and G.C.E. 'O' Level Students. 1. ed. Progresso Publ, 1971.