APA (7th ed.) Citation

O'Brien, E. (1979). August is a wicked month (Repr.). Penguin Books.

Chicago Style (17th ed.) Citation

O'Brien, Edna. August Is a Wicked Month. Repr. Harmondsworth: Penguin Books, 1979.

MLA (9th ed.) Citation

O'Brien, Edna. August Is a Wicked Month. Repr. Penguin Books, 1979.

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