The historical Saint Columba.
APA Citation
Simpson, W. Douglas. (1963). The historical Saint Columba. [rev. 3d ed.]. Edinburgh: Oliver & Boyd.
MLA Citation
Simpson, William Douglas, 1896-1968. The Historical Saint Columba. [rev. 3d ed.]. Edinburgh: Oliver & Boyd, 1963.
Warning: These citations may not always be complete (especially for serials).