Cita APA (7a ed.)

Gorman, M., & Sanford, J. J. (2004). Categories: : historical and systematic essays. Catholic University of America Press.

Cita Chicago Style (17a ed.)

Gorman, Michael, y Jonathan J. Sanford. Categories: : Historical and Systematic Essays. Washington, D.C.: Catholic University of America Press, 2004.

Cita MLA (9a ed.)

Gorman, Michael, y Jonathan J. Sanford. Categories: : Historical and Systematic Essays. Catholic University of America Press, 2004.