MLA

Pius II, Pope, 1405-1464, author. Aeneae Siluii poaetae (cui & pro pontificali dignitate Pio nomen est) in disputatione[m] De curialiu[m] miseria .... [1472]. https://collections.library.yale.edu/catalog/33433987.

APA, 6th edition

Pius II, Pope, 1405-1464, author. ([1472])[Aeneae Siluii poaetae (cui & pro pontificali dignitate Pio nomen est) in disputatione[m] De curialiu[m] miseria ...]. https://collections.library.yale.edu/catalog/33433987.