MLA

Theatre Royal (York, England). On Tuesday evening, March 4th, 1800, will be presented the new play of Lovers' vows; or, The natural son ... : after which, a dramatic romance, in two acts, called, Blue Beard; or, female curiosity! .... [1800]. https://collections.library.yale.edu/catalog/33208015.

APA, 6th edition

Theatre Royal (York, England). ([1800])[On Tuesday evening, March 4th, 1800, will be presented the new play of Lovers' vows; or, The natural son ... : after which, a dramatic romance, in two acts, called, Blue Beard; or, female curiosity! ...]. https://collections.library.yale.edu/catalog/33208015.