Simpson, W. D. (1963). The historical Saint Columba ([rev. 3d ed.].). Oliver & Boyd.
Chicago Style (17th ed.) CitationSimpson, William Douglas. The Historical Saint Columba. [rev. 3d ed.]. Edinburgh: Oliver & Boyd, 1963.
Cita MLASimpson, William Douglas. The Historical Saint Columba. [rev. 3d ed.]. Oliver & Boyd, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.