APA (7th ed.) Citation

Bowen, J., & Bowen, D. (2005). Heroic option: The Irish in the British army. Pen & Sword Military.

Chicago Style (17th ed.) Citation

Bowen, Jean, and Desmond Bowen. Heroic Option: The Irish in the British Army. Barnsley, England: Pen & Sword Military, 2005.

MLA (9th ed.) Citation

Bowen, Jean, and Desmond Bowen. Heroic Option: The Irish in the British Army. Pen & Sword Military, 2005.