APA (7th ed.) Citation

Quigley, M. (1999). A US spy in ireland (1. publ.). Marino Books.

Chicago Style (17th ed.) Citation

Quigley, Martin. A US Spy in Ireland. 1. publ. Dublin: Marino Books, 1999.

MLA (9th ed.) Citation

Quigley, Martin. A US Spy in Ireland. 1. publ. Marino Books, 1999.

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