Cita APA (7th ed.)
Johnston, R. A. (2005). A companion to Beowulf. Greenwood Press.
Cita Chicago (17th ed.)
Johnston, Ruth A. A Companion to Beowulf. Westport, Conn.: Greenwood Press, 2005.
Cita MLA (9th ed.)
Johnston, Ruth A. A Companion to Beowulf. Greenwood Press, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.