Cita APA (7a ed.)

Eardley, P. S., & Still, C. N. (2010). Aquinas: A guide for the perplexed. Continuum.

Cita Chicago Style (17a ed.)

Eardley, Peter S., y Carl N. Still. Aquinas: A Guide for the Perplexed. London ; New York: Continuum, 2010.

Cita MLA (9a ed.)

Eardley, Peter S., y Carl N. Still. Aquinas: A Guide for the Perplexed. Continuum, 2010.