United States. Bureau of Agricultural Economics & Webb, R. W. (1929). Problems and research methods in cotton ginning: Preliminary report. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Agricultural Economics and Robert W. Webb. Problems and Research Methods in Cotton Ginning: Preliminary Report. Washington: [publisher not identified], 1929.
MLA (9th ed.) CitationUnited States. Bureau of Agricultural Economics and Robert W. Webb. Problems and Research Methods in Cotton Ginning: Preliminary Report. [publisher not identified], 1929.
Warning: These citations may not always be 100% accurate.