APA (7th ed.) Citation

(1889). Sancti Gregorii Papaei. Francisci Antonii Royer.

Chicago Style (17th ed.) Citation

Sancti Gregorii Papaei. Strigonii: Francisci Antonii Royer, 1889.

MLA (9th ed.) Citation

Sancti Gregorii Papaei. Francisci Antonii Royer, 1889.

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