APA (7th ed.) Citation

Boyd, E. A. The Sacred Egoism of Sinn Féin.

Chicago Style (17th ed.) Citation

Boyd, Ernest Augustus. The Sacred Egoism of Sinn Féin.

MLA (9th ed.) Citation

Boyd, Ernest Augustus. The Sacred Egoism of Sinn Féin.

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