APA (7th ed.) Citation

O'Hegarty, P. S. (2010). Sinn Fein An Illumination. Project Gutenberg.

Chicago Style (17th ed.) Citation

O'Hegarty, P. S. Sinn Fein An Illumination. Project Gutenberg, 2010.

MLA (9th ed.) Citation

O'Hegarty, P. S. Sinn Fein An Illumination. Project Gutenberg, 2010.

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