On Wednesday evening, July 30, 1800, will be presented a dramatic romance, (in five acts,) called The castle spectre (written by M.G. Lewis, Esq; M.P. author of The monk) ... : to which will be added a new musical farce, in two acts, (never performed here) call'd St. David's Day; or, The humours of Wales ...
MLA
On Wednesday Evening, July 30, 1800, Will Be Presented a Dramatic Romance, (in Five Acts,) Called The Castle Spectre (Written by M.G. Lewis, Esq; M.P. Author of The Monk) ... : to Which Will Be Added a New Musical Farce, in Two Acts, (Never Performed Here) Call'd St. David's Day; or, The Humours of Wales ... Printed by W. Storry, 0AD. https://collections.library.yale.edu/catalog/33207968.
APA, 6th edition
On Wednesday evening, July 30, 1800, will be presented a dramatic romance, (in five acts,) called The castle spectre (written by M.G. Lewis, Esq; M.P. author of The monk) ... : to which will be added a new musical farce, in two acts, (never performed here) call'd St. David's Day; or, The humours of Wales ... (0 C.E.). [Playbills, Broadsides]. Printed by W. Storry. https://collections.library.yale.edu/catalog/33207968.
