Cita APA (7a ed.)

Worthen, E. L. (1947). Farm soils: Their management and fertilization (3rd edition.). John Wiley.

Cita Chicago Style (17a ed.)

Worthen, Edmund L. Farm Soils: Their Management and Fertilization. 3rd edition. New York: John Wiley, 1947.

Cita MLA (8a ed.)

Worthen, Edmund L. Farm Soils: Their Management and Fertilization. 3rd edition. John Wiley, 1947.