Citação norma APA
Akpan-Umana, O. (2013). An introduction to the modern Gulf of Guinea: People, history, political economy and strategic future. Adonis & Abbey Publishers Ltd.
Citação norma Chicago
Akpan-Umana, Otoabasi. An Introduction to the Modern Gulf of Guinea: People, History, Political Economy and Strategic Future. London, England ; Asokoro, Nigeria: Adonis & Abbey Publishers Ltd, 2013.
Citação norma MLA
Akpan-Umana, Otoabasi. An Introduction to the Modern Gulf of Guinea: People, History, Political Economy and Strategic Future. Adonis & Abbey Publishers Ltd, 2013.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.