MLA

Astell, Mary, 1668-1731. A serious proposal to the ladies : for the advancement of their true and greatest interest / by a lover of her sex.. 1694. https://collections.library.yale.edu/catalog/16590941.

APA, 6th edition

Astell, Mary, 1668-1731. (1694)[A serious proposal to the ladies : for the advancement of their true and greatest interest / by a lover of her sex.]. https://collections.library.yale.edu/catalog/16590941.