APA Style

Stevenson, Frank J.. (1985). NITROGEN IN AGRICULTURAL SOILS . Wisconsin, USA: American Society of Agronomy, Inc.

Chicago Style

Stevenson, Frank J.. NITROGEN IN AGRICULTURAL SOILS. Wisconsin, USA: American Society of Agronomy, Inc, 1985. Text.

MLA Style

Stevenson, Frank J.. NITROGEN IN AGRICULTURAL SOILS. Wisconsin, USA: American Society of Agronomy, Inc, 1985. Text.

Turabian Style

Stevenson, Frank J.. NITROGEN IN AGRICULTURAL SOILS. Wisconsin, USA: American Society of Agronomy, Inc, 1985. Print.