Santayana, G. (1955). The sense of beauty. Random House.
芝加哥风格引文Santayana, George. The Sense of Beauty. New York: Random House, 1955.
MLA引文Santayana, George. The Sense of Beauty. Random House, 1955.
警告：这些引文格式不一定是100％准确.
APA引文