Cita APA (7a ed.)

Santayana, G., & Coleman, M. A. (2009). The Essential Santayana: Selected Writings. Indiana University Press.

Cita Chicago Style (17a ed.)

Santayana, George, y Martin A. Coleman. The Essential Santayana: Selected Writings. Bloomington: Indiana University Press, 2009.

Cita MLA (8a ed.)

Santayana, George, y Martin A. Coleman. The Essential Santayana: Selected Writings. Indiana University Press, 2009.