APA (7th ed.) Citation

Lee, L., & Parker, D. (2020). Down in the valley: A writer's landscape. Penguin Books.

Chicago Style (17th ed.) Citation

Lee, Laurie, and David Parker. Down in the Valley: A Writer's Landscape. [London]: Penguin Books, 2020.

MLA (9th ed.) Citation

Lee, Laurie, and David Parker. Down in the Valley: A Writer's Landscape. Penguin Books, 2020.

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