APA引文

John XXI, P. (1479). Incipiunt tractatus petrihispani bene emen datei et as numeru[?] usq[uia?] duodenarium co[m]pleti. [Peter van Os] for Johann de Vollenhoe.

Chicago Style (17th ed.) Citation

John XXI, Pope. Incipiunt Tractatus Petrihispani Bene Emen Datei Et as Numeru[?] Usq[uia?] Duodenarium Co[m]pleti. Zwolle: [Peter van Os] for Johann de Vollenhoe, 1479.

MLA引文

John XXI, Pope. Incipiunt Tractatus Petrihispani Bene Emen Datei Et as Numeru[?] Usq[uia?] Duodenarium Co[m]pleti. [Peter van Os] for Johann de Vollenhoe, 1479.