Cita APA (7a ed.)

Hardy, T. (1994). Under the greenwood tree. Penguin Books.

Cita Chicago Style (17a ed.)

Hardy, Thomas. Under the Greenwood Tree. London [etc.]: Penguin Books, 1994.

Cita MLA (9a ed.)

Hardy, Thomas. Under the Greenwood Tree. Penguin Books, 1994.