Cita APA

Ewan, E. E., Hursh, S. R., Madden, G. J., & Smethells, J. R. Tests of behavioral-economic assessments of relative reinforcer efficacy: Economic substitutes.

Citación estilo Chicago

Ewan, Eric E., Steven R. Hursh, Gregory J. Madden, y John R. Smethells. Tests of Behavioral-economic Assessments of Relative Reinforcer Efficacy: Economic Substitutes.

Cita MLA

Ewan, Eric E., Steven R. Hursh, Gregory J. Madden, y John R. Smethells. Tests of Behavioral-economic Assessments of Relative Reinforcer Efficacy: Economic Substitutes.