Campbell, P. C. (1933). American agricultural policy. P.S. King & Son, Ltd..
Chicago Style (17th ed.) CitationCampbell, Persia Crawford. American Agricultural Policy. London: P.S. King & Son, Ltd., 1933.
MLA (9th ed.) CitationCampbell, Persia Crawford. American Agricultural Policy. P.S. King & Son, Ltd., 1933.
Warning: These citations may not always be 100% accurate.