Cita APA (7a ed.)

Alexander, M. (1995). Beowulf and Grendel. Penguin Books.

Cita Chicago Style (17a ed.)

Alexander, Michael. Beowulf and Grendel. London: Penguin Books, 1995.

Cita MLA (9a ed.)

Alexander, Michael. Beowulf and Grendel. Penguin Books, 1995.