Cock in the north
MLA
Cock in the North. 0AD. https://collections.library.yale.edu/catalog/10621985.
APA, 6th edition
Cock in the north. (0 C.E.). [Manuscripts, Medieval Scotland, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/10621985.