MLA

Leaver, Robin A. English Hymns & Hymn Books : Catalogue of an Exhibition Held in the Bodleian Library, Oxford. Bodleian Library, 1981. https://collections.library.yale.edu/catalog/17321770.

APA, 6th edition

Leaver, R. A. (1981). English hymns & hymn books : catalogue of an exhibition held in the Bodleian Library, Oxford [Exhibition catalogs]. Bodleian Library. https://collections.library.yale.edu/catalog/17321770.