APA Style
Sprague,H.B.. (1964).
Hunger Signs in Crops (8 th).
:
David McKAY Company.
Chicago Style
Sprague,H.B..
Hunger Signs in Crops.
8 th
:
David McKAY Company,
1964.
Text.
MLA Style
Sprague,H.B..
Hunger Signs in Crops.
8 th
:
David McKAY Company,
1964.
Text.
Turabian Style
Sprague,H.B..
Hunger Signs in Crops.
8 th
:
David McKAY Company,
1964.
Print.