Cita APA (7a ed.)

Warren, G. F. (1911). Elements of agriculture (8th. ed.). Macmillan and Co..

Cita Chicago Style (17a ed.)

Warren, G. F. Elements of Agriculture. 8th. ed. London: Macmillan and Co., 1911.

Cita MLA (9a ed.)

Warren, G. F. Elements of Agriculture. 8th. ed. Macmillan and Co., 1911.