MLA

Crabb, T. (Thomas), active 1811-1815, author, publisher. On the funeral of Her Royal Highness the Princess Charlotte of Wales : who died Novr. 6th and was interred at Windsor, aged 21 3/4 yrs. [1817?]. https://collections.library.yale.edu/catalog/33111686.

APA, 6th edition

Crabb, T. (Thomas), active 1811-1815, author, publisher. ([1817?])[On the funeral of Her Royal Highness the Princess Charlotte of Wales : who died Novr. 6th and was interred at Windsor, aged 21 3/4 yrs]. https://collections.library.yale.edu/catalog/33111686.