APA (7th ed.) Citation

Hammer, B. (2010). Mary, the Help of Christians Novenas in Preparation for the Principal Feasts of the Blessed Virgin. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hammer, Bonaventure. Mary, the Help of Christians Novenas in Preparation for the Principal Feasts of the Blessed Virgin. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Hammer, Bonaventure. Mary, the Help of Christians Novenas in Preparation for the Principal Feasts of the Blessed Virgin. Project Gutenberg, 2010.

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