MLA

The Interior of the Prince of Wales's Conservatory at Carlton House [Graphic]. Published by John Bell, Southampton Str. Strand, London, 0AD. https://collections.library.yale.edu/catalog/33223617.

APA, 6th edition

The interior of the Prince of Wales's conservatory at Carlton House [graphic]. (0 C.E.). [Periodical illustrations, Etchings England London 1811]. Published by John Bell, Southampton Str. Strand, London. https://collections.library.yale.edu/catalog/33223617.