APA (7th ed.) Citation

O'Rahilly, T. F. (1942). The Two Patricks. D.I.A.S.

Chicago Style (17th ed.) Citation

O'Rahilly, Thomas F. The Two Patricks. Dublin: D.I.A.S, 1942.

MLA (9th ed.) Citation

O'Rahilly, Thomas F. The Two Patricks. D.I.A.S, 1942.

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