MLA

Edwards, A. A Catalogue of the Library of the Right Honble Earl of Chesterfield, at Ethrope, Bucks., 1778 Jun. 0AD. https://collections.library.yale.edu/catalog/15811014.

APA, 6th edition

Edwards, A. (0 C.E.). A catalogue of the library of the right honble earl of Chesterfield, at Ethrope, Bucks., 1778 Jun [Catalogs, Early works to 1800]. https://collections.library.yale.edu/catalog/15811014.