MLA

family, Helyar. Helyar Family Recipe Book : Manuscript. 0AD. https://collections.library.yale.edu/catalog/33545531.

APA, 6th edition

family, H. (0 C.E.). Helyar family recipe book : manuscript [Early works to 1800, Formulae, receipts, prescriptions, Recipes Great Britain 17th century, Recipes Great Britain 18th century, Manuscripts]. https://collections.library.yale.edu/catalog/33545531.