MLA

Ireland, W. H. (William Henry), 1777-1835, author. An anthem on the lamented death of Her Royal Highness, the Princess Charlotte. [approximately 1817]. https://collections.library.yale.edu/catalog/33111734.

APA, 6th edition

Ireland, W. H. (William Henry), 1777-1835, author. ([approximately 1817])[An anthem on the lamented death of Her Royal Highness, the Princess Charlotte]. https://collections.library.yale.edu/catalog/33111734.