APA (7th ed.) Citation

McGann, O. (2003). Mad Grandad's flying saucer (1. publ.). O'Brien Press.

Chicago Style (17th ed.) Citation

McGann, Oisín. Mad Grandad's Flying Saucer. 1. publ. Dublin: O'Brien Press, 2003.

MLA (9th ed.) Citation

McGann, Oisín. Mad Grandad's Flying Saucer. 1. publ. O'Brien Press, 2003.