Grayling, A. C. (2009). To set Prometheus free: Essays on religion, reason and humanity. Oberon Books.
Chicago Style (17th ed.) CitationGrayling, A. C. To Set Prometheus Free: Essays on Religion, Reason and Humanity. London: Oberon Books, 2009.
MLA引文Grayling, A. C. To Set Prometheus Free: Essays on Religion, Reason and Humanity. Oberon Books, 2009.
警告:這些引文格式不一定是100%准確.