APA (7 वां संस्करण) प्रशस्ति पत्र

Francis, M. (2007). Herbert Spencer and the invention of modern life. Acumen.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Francis, Mark. Herbert Spencer and the Invention of Modern Life. Stocksfield [U.K.]: Acumen, 2007.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Francis, Mark. Herbert Spencer and the Invention of Modern Life. Acumen, 2007.