APA
Card D., Robins P. K. & Lin W. (1998). Would financial incentives for leaving welfare lead some people to stay on welfare longer? : an experimental evaluation of "entry effects" in the self-sufficiency project. Cambridge, Mass: National Bureau of Economic Research.
Chicago
Card David, Robins Philip K and Lin Winston. 1998. Would financial incentives for leaving welfare lead some people to stay on welfare longer? : an experimental evaluation of "entry effects" in the self-sufficiency project. Cambridge, Mass: National Bureau of Economic Research.
Harvard
Card D., Robins P. K. and Lin W. (1998). Would financial incentives for leaving welfare lead some people to stay on welfare longer? : an experimental evaluation of "entry effects" in the self-sufficiency project. Cambridge, Mass: National Bureau of Economic Research.
MLA
Card David, Robins Philip K and Lin Winston. Would financial incentives for leaving welfare lead some people to stay on welfare longer? : an experimental evaluation of "entry effects" in the self-sufficiency project. Cambridge, Mass: National Bureau of Economic Research. 1998.