APA (7th ed.) Citation

Smith, G. (2011). Irish History and the Irish Question. Project Gutenberg.

Chicago Style (17th ed.) Citation

Smith, Goldwin. Irish History and the Irish Question. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Smith, Goldwin. Irish History and the Irish Question. Project Gutenberg, 2011.

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