MLA

Boscovich, Ruggero Giuseppe, 1711-1787. Philosophiae naturalis theoria : redacta ad unicam legem virium in natura existentium / auctore P. Rogerio Josepho Boscovich, Societatis Jesu .... 1758. https://collections.library.yale.edu/catalog/2021515.

APA, 6th edition

Boscovich, Ruggero Giuseppe, 1711-1787. (1758)[Philosophiae naturalis theoria : redacta ad unicam legem virium in natura existentium / auctore P. Rogerio Josepho Boscovich, Societatis Jesu ...]. https://collections.library.yale.edu/catalog/2021515.