Cita APA

Ashby, F. G., & Maddox, W. T. (2010). Human Category Learning 2.0.

Chicago Style Citation

Ashby, F. Gregory, i W. Todd Maddox. Human Category Learning 2.0. 2010.

Cita MLA

Ashby, F. Gregory, i W. Todd Maddox. Human Category Learning 2.0. 2010.