MLA

Ashley, Alfred, and printmaker. Lunatic Asylum, Northampton [Graphic]. Published (for the Proprietors) by H. G. Collins, 22, Paternoster Row, 0AD. https://collections.library.yale.edu/catalog/17338907.

APA, 6th edition

Ashley, A., & printmaker. (0 C.E.). Lunatic asylum, Northampton [graphic] [Etchings, Engravings]. Published (for the Proprietors) by H. G. Collins, 22, Paternoster Row. https://collections.library.yale.edu/catalog/17338907.