APA (7th ed.) Citation

(2012). The Life of Saint Columba, Abbot, and Apostle of the Northern Picts. Project Gutenberg.

Chicago Style (17th ed.) Citation

The Life of Saint Columba, Abbot, and Apostle of the Northern Picts. Project Gutenberg, 2012.

MLA (9th ed.) Citation

The Life of Saint Columba, Abbot, and Apostle of the Northern Picts. Project Gutenberg, 2012.

Warning: These citations may not always be 100% accurate.