APA (7th ed.) Citation

Santayana, G. (1954). The life of reason: Or, The phases of human progress. [Scribner].

Chicago Style (17th ed.) Citation

Santayana, George. The Life of Reason: Or, The Phases of Human Progress. [New York]: [Scribner], 1954.

MLA (9th ed.) Citation

Santayana, George. The Life of Reason: Or, The Phases of Human Progress. [Scribner], 1954.

Warning: These citations may not always be 100% accurate.