APA (7th ed.) Citation

Doyle, R. (1995). Paddy Clarke ha ha ha. Penguin Books.

Chicago Style (17th ed.) Citation

Doyle, Roddy. Paddy Clarke Ha Ha Ha. New York [u.a.]: Penguin Books, 1995.

MLA (9th ed.) Citation

Doyle, Roddy. Paddy Clarke Ha Ha Ha. Penguin Books, 1995.