Simpson, W. D. (1963). The historical Saint Columba ([rev. 3d ed.].). Oliver & Boyd.
Citación estilo ChicagoSimpson, 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.
Warning: These citations may not always be 100% accurate.