The deeds of Beowulf:
an English epic of the eighth century done into modern prose,
by John Earle.

APA Citation

Earle, J. (1892). The deeds of Beowulf: an English epic of the eighth century done into modern prose. Oxford: Clarendon Press.

MLA Citation

Earle, John, 1824-1903. The Deeds of Beowulf: an English Epic of the Eighth Century Done Into Modern Prose. Oxford: Clarendon Press, 1892.

Warning: These citations may not always be complete (especially for serials).