APA (7th ed.) Citation

Cottrell, P. (2006). The Anglo-Irish war : the troubles of 1913-1922 / Peter Cottrell: The troubles of 1913-1922. Osprey.

Chicago Style (17th ed.) Citation

Cottrell, Peter. The Anglo-Irish War : The Troubles of 1913-1922 / Peter Cottrell: The Troubles of 1913-1922. Oxford: Osprey, 2006.

MLA (9th ed.) Citation

Cottrell, Peter. The Anglo-Irish War : The Troubles of 1913-1922 / Peter Cottrell: The Troubles of 1913-1922. Osprey, 2006.

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