APA (7th ed.) Citation

Barker, G., Bell, M., & Causley, C. (1962). Penguin modern poets. Penguin Books.

Chicago Style (17th ed.) Citation

Barker, George, Martin Bell, and Charles Causley. Penguin Modern Poets. Harmondsworh: Penguin Books, 1962.

MLA (9th ed.) Citation

Barker, George, et al. Penguin Modern Poets. Penguin Books, 1962.

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