APA Style
Martin, John H.. (1949).
Principles of crops production (1).
New York:
MacMillan Coy.
Chicago Style
Martin, John H..
Principles of crops production.
1
New York:
MacMillan Coy,
1949.
Hard Copy.
MLA Style
Martin, John H..
Principles of crops production.
1
New York:
MacMillan Coy,
1949.
Hard Copy.
Turabian Style
Martin, John H..
Principles of crops production.
1
New York:
MacMillan Coy,
1949.
Hard Copy.