Clarke, H. (1847). Physical economy: A preliminary inqury into the physical laws governing the periods of famines and panics. s.n.
Chicago Style (17th ed.) CitationClarke, Hyde. Physical Economy: A Preliminary Inqury into the Physical Laws Governing the Periods of Famines and Panics. S.l: s.n, 1847.
MLA (9th ed.) CitationClarke, Hyde. Physical Economy: A Preliminary Inqury into the Physical Laws Governing the Periods of Famines and Panics. s.n, 1847.
Warning: These citations may not always be 100% accurate.