APA
Card D., Krueger A B & National Bureau Of Economic Research. (1993). Minimum Wages and Employment: A Case Study Of The Fast Food Industry In New Jersey And Pennsylvania. Cambridge, MA: NBER.
Chicago
Card David, Krueger A B and National Bureau Of Economic Research. 1993. Minimum Wages and Employment: A Case Study Of The Fast Food Industry In New Jersey And Pennsylvania. Cambridge, MA: NBER.
Harvard
Card D., Krueger A B and National Bureau Of Economic Research. (1993). Minimum Wages and Employment: A Case Study Of The Fast Food Industry In New Jersey And Pennsylvania. Cambridge, MA: NBER.
MLA
Card David, Krueger A B and National Bureau Of Economic Research. Minimum Wages and Employment: A Case Study Of The Fast Food Industry In New Jersey And Pennsylvania. Cambridge, MA: NBER. 1993.