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.