APA Style
Walker, John Charles. (1952).
Diseases of vegetable crops .
New York:
McGraw-Hill Book Coy Inc..
Chicago Style
Walker, John Charles.
Diseases of vegetable crops.
New York:
McGraw-Hill Book Coy Inc.,
1952.
Hard Copy.
MLA Style
Walker, John Charles.
Diseases of vegetable crops.
New York:
McGraw-Hill Book Coy Inc.,
1952.
Hard Copy.
Turabian Style
Walker, John Charles.
Diseases of vegetable crops.
New York:
McGraw-Hill Book Coy Inc.,
1952.
Hard Copy.