APA (7th ed.) Citation

Black, D. M., Redgrove, P. W., & Thomas, D. M. (1968). Penguin modern poets: D. M. Black, Peter Redgrove, D. M. Thomas. Penguin.

Chicago Style (17th ed.) Citation

Black, D. M., Peter William Redgrove, and D. M. Thomas. Penguin Modern Poets: D. M. Black, Peter Redgrove, D. M. Thomas. Harmondsworth: Penguin, 1968.

MLA (8th ed.) Citation

Black, D. M., et al. Penguin Modern Poets: D. M. Black, Peter Redgrove, D. M. Thomas. Penguin, 1968.