APA (7th ed.) Citation

O'Mara, P. (1948). An hour with the Sacred Heart. Office of the Irish Messenger.

Chicago Style (17th ed.) Citation

O'Mara, Patrick. An Hour with the Sacred Heart. Dublin: Office of the Irish Messenger, 1948.

MLA (8th ed.) Citation

O'Mara, Patrick. An Hour with the Sacred Heart. Office of the Irish Messenger, 1948.

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