Cita APA (7a ed.)

Carroll, M. (1998). Income alters the relative reinforcing effects of drug and nondrug reinforcers. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Carroll, Marilyn. Income Alters the Relative Reinforcing Effects of Drug and Nondrug Reinforcers. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Carroll, Marilyn. Income Alters the Relative Reinforcing Effects of Drug and Nondrug Reinforcers. National Bureau of Economic Research, 1998.