APA (7th ed.) Citation

Clarke, H. B., & Brennan, M. (1981). Columbanus and Merovingian monasticism. B.A.R..

Chicago Style (17th ed.) Citation

Clarke, Howard B., and Mary Brennan. Columbanus and Merovingian Monasticism. Oxford [Oxfordshire]: B.A.R., 1981.

MLA (9th ed.) Citation

Clarke, Howard B., and Mary Brennan. Columbanus and Merovingian Monasticism. B.A.R., 1981.