Citazione Stile APA (7a Edizione)

Fordham, P. (1972). The geography of African affairs (3rd ed.). Penguin Books.

Citazione stile Chigago Style (17a edizione)

Fordham, Paul. The Geography of African Affairs. 3rd ed. [Harmondsworth, Eng.]: Penguin Books, 1972.

Citatione MLA (8a ed.)

Fordham, Paul. The Geography of African Affairs. 3rd ed. Penguin Books, 1972.