APA (7th ed.) Citation

Jeffery, K. (2006). The GPO and the Easter Rising / Keith Jeffery. Irish Academic Press.

Chicago Style (17th ed.) Citation

Jeffery, Keith. The GPO and the Easter Rising / Keith Jeffery. Dublin ; Portland, OR: Irish Academic Press, 2006.

MLA (9th ed.) Citation

Jeffery, Keith. The GPO and the Easter Rising / Keith Jeffery. Irish Academic Press, 2006.

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