APA Style

HOYT, H, , M, . (). PROTECTION VERSUS FREE TRADE , THE SCIENTIFIC VALIDATION AND ECONOMIC OPERATION OF DEFENSIVE DUTIES IN THE UNITED STATE . : .

MLA Style

HOYT, HENRY, , MARTYN, . "PROTECTION VERSUS FREE TRADE , THE SCIENTIFIC VALIDATION AND ECONOMIC OPERATION OF DEFENSIVE DUTIES IN THE UNITED STATE". : , . Economics.