APA (7th ed.) Citation

Hardy, T., & Waller, S. (1998). Under the Greenwood Tree. Penguin Books.

Chicago Style (17th ed.) Citation

Hardy, Thomas, and Stephen Waller. Under the Greenwood Tree. London: Penguin Books, 1998.

MLA (9th ed.) Citation

Hardy, Thomas, and Stephen Waller. Under the Greenwood Tree. Penguin Books, 1998.