Citazione Stile APA (7a Edizione)

Santayana, G., Wokeck, M. S., & Coleman, M. A. (2013). The life of reason, or, The phases of human progress (Critical ed.). MIT Press.

Citazione stile Chigago Style (17a edizione)

Santayana, George, Marianne Sophia Wokeck, e Martin A. Coleman. The Life of Reason, or, The Phases of Human Progress. Critical ed. Cambridge, Mass.: MIT Press, 2013.

Citatione MLA (9a ed.)

Santayana, George, et al. The Life of Reason, or, The Phases of Human Progress. Critical ed. MIT Press, 2013.