APA (7th ed.) Citation

Sixt V, p. (1589). Erectio Vnius Montis Archiuiorum. Paolo Blado.

Chicago Style (17th ed.) Citation

Sixt V, papa. Erectio Vnius Montis Archiuiorum. Roma: Paolo Blado, 1589.

MLA (9th ed.) Citation

Sixt V, papa. Erectio Vnius Montis Archiuiorum. Paolo Blado, 1589.

Warning: These citations may not always be 100% accurate.