APA (7th ed.) Citation

Card, D. (1998). Falling union membership and rising wage inequality: What's the connection? National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Card, David. Falling Union Membership and Rising Wage Inequality: What's the Connection? Cambridge: National Bureau of Economic Research, 1998.

MLA (9th ed.) Citation

Card, David. Falling Union Membership and Rising Wage Inequality: What's the Connection? National Bureau of Economic Research, 1998.