APA Style
Steffrud, Alfred. (1961).
Seeds : the yearbook of agriculture 1961 .
Washington, D.C.:
The United States Departement of Agriculture.
Chicago Style
Steffrud, Alfred.
Seeds : the yearbook of agriculture 1961.
Washington, D.C.:
The United States Departement of Agriculture,
1961.
Text.
MLA Style
Steffrud, Alfred.
Seeds : the yearbook of agriculture 1961.
Washington, D.C.:
The United States Departement of Agriculture,
1961.
Text.
Turabian Style
Steffrud, Alfred.
Seeds : the yearbook of agriculture 1961.
Washington, D.C.:
The United States Departement of Agriculture,
1961.
Print.