APA (7th ed.) Citation

O'Brien, P. (2013). Shootout: The battle for St Stephen's green, 1916 (1. publ.). New Island Books.

Chicago Style (17th ed.) Citation

O'Brien, Paul. Shootout: The Battle for St Stephen's Green, 1916. 1. publ. Dublin: New Island Books, 2013.

MLA (9th ed.) Citation

O'Brien, Paul. Shootout: The Battle for St Stephen's Green, 1916. 1. publ. New Island Books, 2013.

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