Cita APA (7a ed.)

Pothos, E. M., & Wills, A. J. (2011). Formal approaches in categorization. Cambridge University Press.

Cita Chicago Style (17a ed.)

Pothos, Emmanuel M., y A. J. Wills. Formal Approaches in Categorization. Cambridge: Cambridge University Press, 2011.

Cita MLA (9a ed.)

Pothos, Emmanuel M., y A. J. Wills. Formal Approaches in Categorization. Cambridge University Press, 2011.