Cita APA (7a ed.)

Ashe, L., & McCarthy, K. (2010). Elective 4, options 6 & 7 (New ed., 1. publ. 2008, repr.). Edco, The Educational Company of Ireland.

Cita Chicago Style (17a ed.)

Ashe, Liam, y Kieran McCarthy. Elective 4, Options 6 & 7. New ed., 1. publ. 2008, repr. Dublin: Edco, The Educational Company of Ireland, 2010.

Cita MLA (9a ed.)

Ashe, Liam, y Kieran McCarthy. Elective 4, Options 6 & 7. New ed., 1. publ. 2008, repr. Edco, The Educational Company of Ireland, 2010.