APA (7th ed.) Citation

Bernard, J. H. (1911). The Early history of St. Patrick's Cathedral. [s.n.].

Chicago Style (17th ed.) Citation

Bernard, J. H. The Early History of St. Patrick's Cathedral. [Dublin]: [s.n.], 1911.

MLA (9th ed.) Citation

Bernard, J. H. The Early History of St. Patrick's Cathedral. [s.n.], 1911.

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