Cita APA (7th ed.)

Hatfield, J. (1994). Soil biology: Effects on soil quality. Lewis Publishers.

Cita Chicago (17th ed.)

Hatfield, J.L. Soil Biology: Effects on Soil Quality. Boca Raton: Lewis Publishers, 1994.

Cita MLA (9th ed.)

Hatfield, J.L. Soil Biology: Effects on Soil Quality. Lewis Publishers, 1994.