APA (7th ed.) Citation

Ahn, P. M., & Irvine, F. R. (1969). West African agriculture (3d ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Ahn, Peter M., and Frederick Robert Irvine. West African Agriculture. 3d ed. London: Oxford University Press, 1969.

MLA (8th ed.) Citation

Ahn, Peter M., and Frederick Robert Irvine. West African Agriculture. 3d ed. Oxford University Press, 1969.