APA (7th ed.) Citation

O'Brien, E. (1963). The country girls. Penguin.

Chicago Style (17th ed.) Citation

O'Brien, Edna. The Country Girls. Harmondsworth, Middlesex: Penguin, 1963.

MLA (8th ed.) Citation

O'Brien, Edna. The Country Girls. Penguin, 1963.

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