APA (7th ed.) Citation

Catholic Church, Hothby, J., Brand, B. D., & Italy. Archivio di Stato. (2010). Historia Sancti Reguli Episcopi et Martiris. Institute of Mediæval Music.

Chicago Style (17th ed.) Citation

Catholic Church, John Hothby, Benjamin David Brand, and Italy. Archivio di Stato. Historia Sancti Reguli Episcopi Et Martiris. Ottawa, Canada: Institute of Mediæval Music, 2010.

MLA (8th ed.) Citation

Catholic Church, et al. Historia Sancti Reguli Episcopi Et Martiris. Institute of Mediæval Music, 2010.

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