MLA

Hegel, Georg Wilhelm Friedrich, 1770-1831. Dissertatio philosophica de orbitis planetarum / quam ... pro licentia docendi rite obtinenda publico examini submittit Ge. Wilh. Frid. Hegel .... 1801. https://collections.library.yale.edu/catalog/17383750.

APA, 6th edition

Hegel, Georg Wilhelm Friedrich, 1770-1831. (1801)[Dissertatio philosophica de orbitis planetarum / quam ... pro licentia docendi rite obtinenda publico examini submittit Ge. Wilh. Frid. Hegel ...]. https://collections.library.yale.edu/catalog/17383750.