MLA

Radclyffe, William. Historical Memoirs of Some of the Radclyffe Family / by William Radclyffe London 1798, 1798. 0AD. https://collections.library.yale.edu/catalog/16207218.

APA, 6th edition

Radclyffe, W. (0 C.E.). Historical memoirs of some of the Radclyffe family / by William Radclyffe London 1798, 1798. [Family histories, Manuscripts]. https://collections.library.yale.edu/catalog/16207218.