The Supplement to the Penny cyclopædia of the Society for the Diffusion of Useful Knowledge.
v. 1-2.
APA Citation
Long, G., Society for the Diffusion of Useful Knowledge (Great Britain). (18461851). The Supplement to the Penny cyclopædia of the Society for the Diffusion of Useful Knowledge. London: C. Knight.
MLA Citation
Long, George, 1800-1879, and Society for the Diffusion of Useful Knowledge (Great Britain). The Supplement to the Penny Cyclopædia of the Society for the Diffusion of Useful Knowledge. London: C. Knight, 18461851.
Warning: These citations may not always be complete (especially for serials).