APA (7th ed.) Citation

Llewellyn, R. (1979). How green was my valley. New English Library.

Chicago Style (17th ed.) Citation

Llewellyn, Richard. How Green Was My Valley. London: New English Library, 1979.

MLA (8th ed.) Citation

Llewellyn, Richard. How Green Was My Valley. New English Library, 1979.

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