APA (7th ed.) Citation

Lawrence, D. H., & Williams, W. E. (1950). Selected poems. Penguin Books.

Chicago Style (17th ed.) Citation

Lawrence, D. H., and W. E. Williams. Selected Poems. Harmondsworth: Penguin Books, 1950.

MLA (8th ed.) Citation

Lawrence, D. H., and W. E. Williams. Selected Poems. Penguin Books, 1950.