Cite

... Richard Savage, a play, in four acts.

MLA

Barrie, J. M. (James Matthew), 1860-1937. ... Richard Savage, a play, in four acts.. 1891]. https://collections.library.yale.edu/catalog/15299353.

APA, 6th edition

Barrie, J. M. (James Matthew), 1860-1937. (1891])[... Richard Savage, a play, in four acts.]. https://collections.library.yale.edu/catalog/15299353.