APA (7th ed.) Citation

Stevenson, F. J. (1985). Nitrogen in agricultural soils. ASA.

Chicago Style (17th ed.) Citation

Stevenson, Frank J. Nitrogen in Agricultural Soils. Madison: ASA, 1985.

MLA (9th ed.) Citation

Stevenson, Frank J. Nitrogen in Agricultural Soils. ASA, 1985.

Warning: These citations may not always be 100% accurate.