Card, D. E. (1992). Using regional variation in wages to measure the effects of the federal minimum wage.
Chicago Style (17th ed.) CitationCard, David E. Using Regional Variation in Wages to Measure the Effects of the Federal Minimum Wage. Cambridge, Mass, 1992.
MLA (9th ed.) CitationCard, David E. Using Regional Variation in Wages to Measure the Effects of the Federal Minimum Wage. 1992.
Warning: These citations may not always be 100% accurate.