APA (7th ed.) Citation

Lady of quality, Gadbury, J., & Powis, E. S. H. (1679). A ballad upon the Popish Plot. publisher not identified.

Chicago Style (17th ed.) Citation

Lady of quality, John Gadbury, and Elizabeth Somerset Herbert Powis. A Ballad upon the Popish Plot. [London?: publisher not identified, 1679.

MLA (9th ed.) Citation

Lady of quality, et al. A Ballad upon the Popish Plot. publisher not identified, 1679.