MLA

Scott, Shafto. My Unknown Friend : a Drama, in Three Acts / by Shafto Scott ; Being a Dramatized Version of the Novel "Great Expectations" by the Late Charles Dickens. John Dicks, 0AD. https://collections.library.yale.edu/catalog/15812905.

APA, 6th edition

Scott, S. (0 C.E.). My unknown friend : a drama, in three acts / by Shafto Scott ; being a dramatized version of the novel "Great expectations" by the late Charles Dickens. [Publishers' advertisements--England--London--1883]. John Dicks, https://collections.library.yale.edu/catalog/15812905.