APA Style
Collings, G.H.. ().
commercial Fertilizers .
:
.
Chicago Style
Collings, G.H..
commercial Fertilizers.
:
,
.
Hard Copy.
MLA Style
Collings, G.H..
commercial Fertilizers.
:
,
.
Hard Copy.
Turabian Style
Collings, G.H..
commercial Fertilizers.
:
,
.
Hard Copy.