APA (7 वां संस्करण) प्रशस्ति पत्र

Talbot, W. H. F., & Harding, C. (2011). The pencil of nature: William Henry Fox Talbot. Introd. by Colin Harding. KWS Publ..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Talbot, William Henry Fox, और Colin Harding. The Pencil of Nature: William Henry Fox Talbot. Introd. by Colin Harding. Chicago, Ill. [u.a.]: KWS Publ., 2011.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Talbot, William Henry Fox, और Colin Harding. The Pencil of Nature: William Henry Fox Talbot. Introd. by Colin Harding. KWS Publ., 2011.