APA (7th ed.) Citation

Lexinton, S. d., O'Dwyer, B. W., & Griesser, B. (1982). Letters from Ireland, 1228-1229. Cistercian Publications.

Chicago Style (17th ed.) Citation

Lexinton, Stephen de, B. W. O'Dwyer, and Bruno Griesser. Letters from Ireland, 1228-1229. Kalamazoo, Mich.: Cistercian Publications, 1982.

MLA (9th ed.) Citation

Lexinton, Stephen de, et al. Letters from Ireland, 1228-1229. Cistercian Publications, 1982.