MLA

Kingdom, William. The Peerage Chart for 1821. Printed for the Author by Shackell and Arrowsmith, Johnson's Court, Fleet-Street; and sold by G. & W.B. Whittaker, Ave-Maria-Lane, J. Warren, Old Bond-Street; and by all other booksellers, 0AD. https://collections.library.yale.edu/catalog/33111775.

APA, 6th edition

Kingdom, W. (0 C.E.). The peerage chart for 1821 [Charts (graphic documents), Publishers' advertisements, Crowns]. Printed for the Author by Shackell and Arrowsmith, Johnson's Court, Fleet-Street; and sold by G. & W.B. Whittaker, Ave-Maria-Lane, J. Warren, Old Bond-Street; and by all other booksellers. https://collections.library.yale.edu/catalog/33111775.