APA (7th ed.) Citation

Santayana, G. (1905). The Life of Reason or the Phases of Human Progress: Reason in Science. Constable & Company Ltd.

Chicago Style (17th ed.) Citation

Santayana, George. The Life of Reason or the Phases of Human Progress: Reason in Science. London ; Bombay ; Sydney: Constable & Company Ltd, 1905.

MLA (9th ed.) Citation

Santayana, George. The Life of Reason or the Phases of Human Progress: Reason in Science. Constable & Company Ltd, 1905.