APA (7th ed.) Citation

O'Halpin, E. (1999). Defending Ireland: The Irish State and its enemies since 1922 (1. publ.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

O'Halpin, Eunan. Defending Ireland: The Irish State and Its Enemies Since 1922. 1. publ. Oxford [u.a.]: Oxford Univ. Press, 1999.

MLA (9th ed.) Citation

O'Halpin, Eunan. Defending Ireland: The Irish State and Its Enemies Since 1922. 1. publ. Oxford Univ. Press, 1999.

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