Cita APA (7a ed.)

Keeble, F. (1932). Fertilizers and food production: On arable and grass land. Oxford University Press.

Cita Chicago Style (17a ed.)

Keeble, Frederick. Fertilizers and Food Production: On Arable and Grass Land. Oxford: Oxford University Press, 1932.

Cita MLA (8a ed.)

Keeble, Frederick. Fertilizers and Food Production: On Arable and Grass Land. Oxford University Press, 1932.