APA (7th ed.) Citation

(1984). Centennial celebration: Most spectacular event in diocese's history. Roman Catholic Diocese of Helena.

Chicago Style (17th ed.) Citation

Centennial Celebration: Most Spectacular Event in Diocese's History. Helena, MT: Roman Catholic Diocese of Helena, 1984.

MLA (8th ed.) Citation

Centennial Celebration: Most Spectacular Event in Diocese's History. Roman Catholic Diocese of Helena, 1984.

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