APA (7th ed.) Citation
Santayana, G. (2002). The letters of George Santayana (Santayana ed.). MIT Press.
Chicago Style (17th ed.) Citation
Santayana, George. The Letters of George Santayana. Santayana ed. Cambridge, Mass.: MIT Press, 2002.
MLA (9th ed.) Citation
Santayana, George. The Letters of George Santayana. Santayana ed. MIT Press, 2002.
Warning: These citations may not always be 100% accurate.