MLA

Richardson, Samuel, 1689-1761. Clarissa; or, The history of a young lady. Comprehending the most important concerns of private life. And particularly showing the difficulties that may attend the misconduct both of parents and children, in relation to marriage .... 4. 1774.. https://collections.library.yale.edu/catalog/32461901.

APA, 6th edition

Richardson, Samuel, 1689-1761. (["4"])(1774.)[Clarissa; or, The history of a young lady. Comprehending the most important concerns of private life. And particularly showing the difficulties that may attend the misconduct both of parents and children, in relation to marriage ...]. https://collections.library.yale.edu/catalog/32461901.