APA (7th ed.) Citation

Llewellyn, R. (1939). How green was my valley. Michael Joseph Ltd.

Chicago Style (17th ed.) Citation

Llewellyn, Richard. How Green Was My Valley. London: Michael Joseph Ltd, 1939.

MLA (9th ed.) Citation

Llewellyn, Richard. How Green Was My Valley. Michael Joseph Ltd, 1939.

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