MLA

Boscovich, Ruggero Giuseppe, 1711-1787. De inaequalitatibus quas Saturnus et Jupiter sibi mutuo videntur inducere praesertim circa tempus conjunctionis : Opusculum ad Parisiensem academiam transmissum, et nvnc primvm editvm / authore P. Rogerio Josepho Boscovich .... 1756. https://collections.library.yale.edu/catalog/16584346.

APA, 6th edition

Boscovich, Ruggero Giuseppe, 1711-1787. (1756)[De inaequalitatibus quas Saturnus et Jupiter sibi mutuo videntur inducere praesertim circa tempus conjunctionis : Opusculum ad Parisiensem academiam transmissum, et nvnc primvm editvm / authore P. Rogerio Josepho Boscovich ...]. https://collections.library.yale.edu/catalog/16584346.