APA (7th ed.) Citation

Irvine, F. R. (1934). A text-book of West African agriculture, soils and crops. Oxford University Press.

Chicago Style (17th ed.) Citation

Irvine, Frederick Robert. A Text-book of West African Agriculture, Soils and Crops. London: Oxford University Press, 1934.

MLA (9th ed.) Citation

Irvine, Frederick Robert. A Text-book of West African Agriculture, Soils and Crops. Oxford University Press, 1934.