Ms. 23 N 10 (formerly Betham 145) in the Library of the Royal Irish Academy /
With descriptive introd. by R.I. Best.

APA Citation

Royal Irish Academy. Library., Best, R. I. (Richard Irvine). (1954). Ms. 23 N 10 (formerly Betham 145) in the Library of the Royal Irish Academy. Dublin: Stationery Office.

MLA Citation

Royal Irish Academy. Library, and R. I. (Richard Irvine) Best. Ms. 23 N 10 (formerly Betham 145) In the Library of the Royal Irish Academy. Dublin: Stationery Office, 1954.

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