APA引文

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引文

Santayana, George. The Letters of George Santayana. Santayana ed. MIT Press, 2002.