Reports by the juries on the subjects in the thirty classes into which the exhibition was divided..
APA Citation
Great Exhibition (1851 : London, E. (1852). Reports by the juries on the subjects in the thirty classes into which the exhibition was divided.. London:: Spicer Brothers, wholesale stationers; .
MLA Citation
Great Exhibition (1851 : London, England). Reports by the Juries On the Subjects In the Thirty Classes Into Which the Exhibition Was Divided.. London:: Spicer Brothers, wholesale stationers; , 1852.
Warning: These citations may not always be complete (especially for serials).