APA (7th ed.) Citation

Dillon, M., & Ó Cróinín, D. (1966). Teach yourself Irish. English Universities Press.

Chicago Style (17th ed.) Citation

Dillon, Myles, and Donncha Ó Cróinín. Teach Yourself Irish. London: English Universities Press, 1966.

MLA (9th ed.) Citation

Dillon, Myles, and Donncha Ó Cróinín. Teach Yourself Irish. English Universities Press, 1966.