[Letter : 1809 June 19, Carlton House, Sir Thomas Tyrwhitt to Lord Amhurst]
MLA
Tyrwhitt, Sir Thomas, 1763-1833. [Letter : 1809 June 19, Carlton House, Sir Thomas Tyrwhitt to Lord Amhurst]. 1809 June 19. https://collections.library.yale.edu/catalog/10514943.
APA, 6th edition
Tyrwhitt, Sir Thomas, 1763-1833. (1809 June 19)[[Letter : 1809 June 19, Carlton House, Sir Thomas Tyrwhitt to Lord Amhurst]]. https://collections.library.yale.edu/catalog/10514943.