Citazione Stile APA (7a Edizione)

Williams, G., Kiloh, M., & Willmer, J. (1983). The origins of the Nigerian civil war. Open University Press.

Citazione stile Chigago Style (17a edizione)

Williams, Gavin, Margaret Kiloh, e John Willmer. The Origins of the Nigerian Civil War. Milton Keynes: Open University Press, 1983.

Citatione MLA (9a ed.)

Williams, Gavin, et al. The Origins of the Nigerian Civil War. Open University Press, 1983.