Cita APA (7a ed.)

Bear, F. E. (1953). Soils and fertilizers (4th. ed.). John Wiley.

Cita Chicago Style (17a ed.)

Bear, Firman E. Soils and Fertilizers. 4th. ed. New York: John Wiley, 1953.

Cita MLA (8a ed.)

Bear, Firman E. Soils and Fertilizers. 4th. ed. John Wiley, 1953.