APA (7th ed.) Citation

KELLEY. (1982). The longest war: Northern Ireland and the IRA. Zed Books.

Chicago Style (17th ed.) Citation

KELLEY. The Longest War: Northern Ireland and the IRA. London: Zed Books, 1982.

MLA (8th ed.) Citation

KELLEY. The Longest War: Northern Ireland and the IRA. Zed Books, 1982.

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