Cita APA (7a ed.)

Stevenson, F. J. (1982). Nitrogen in agricultural soils (1st edition.). ASA : SSSA : CSSA.

Cita Chicago Style (17a ed.)

Stevenson, Frank J. Nitrogen in Agricultural Soils. 1st edition. Madison, Wisconsin: ASA : SSSA : CSSA, 1982.

Cita MLA (8a ed.)

Stevenson, Frank J. Nitrogen in Agricultural Soils. 1st edition. ASA : SSSA : CSSA, 1982.