APA (7th ed.) Citation

O'Hegarty, P. S. (1919). Sinn Fein: An illumination. Maunsel & co..

Chicago Style (17th ed.) Citation

O'Hegarty, P. S. Sinn Fein: An Illumination. Dublin and London: Maunsel & co., 1919.

MLA (9th ed.) Citation

O'Hegarty, P. S. Sinn Fein: An Illumination. Maunsel & co., 1919.