Book of Armagh :
the Patrician documents.
APA Citation
Gwynn, E., Trinity College (Dublin, I. Library. (1937). Book of Armagh: the Patrician documents. Dublin: Stationery office.
MLA Citation
Gwynn, Edward, 1868-1941, and Ireland). Library Trinity College (Dublin. Book of Armagh: the Patrician Documents. Dublin: Stationery office, 1937.
Warning: These citations may not always be complete (especially for serials).