APA (7th ed.) Citation

Johnston, R. A. (2005). A companion to Beowulf. Greenwood Press.

Chicago Style (17th ed.) Citation

Johnston, Ruth A. A Companion to Beowulf. Westport, Conn.: Greenwood Press, 2005.

MLA (9th ed.) Citation

Johnston, Ruth A. A Companion to Beowulf. Greenwood Press, 2005.

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