The song of Dermot and the Earl:
an Old French poem from the Carew manuscript no. 596 in the archiepiscopal library at Lambeth palace;

APA Citation

Regan, M., Orpen, G. Henry. (1892). The song of Dermot and the Earl: an Old French poem from the Carew manuscript no. 596 in the archiepiscopal library at Lambeth palace. Oxford: Clarendon press.

MLA Citation

Regan, Morice, fl 1171, and Goddard Henry Orpen. The Song of Dermot And the Earl: an Old French Poem From the Carew Manuscript No. 596 In the Archiepiscopal Library At Lambeth Palace. Oxford: Clarendon press, 1892.

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