Catholic Church. (2000). The Trisagion. Tip. Cardoni.
Chicago Style (17th ed.) CitationCatholic Church. The Trisagion. [Rome: Tip. Cardoni, 2000.
MLA (8th ed.) CitationCatholic Church. The Trisagion. Tip. Cardoni, 2000.
Warning: These citations may not always be 100% accurate.