APA (7th ed.) Citation

Boyle, P. R. (1916). Sedulius Scotus of Liege, an Irish scholar and poet of the ninth century.

Chicago Style (17th ed.) Citation

Boyle, Patrick Rev. Sedulius Scotus of Liege, an Irish Scholar and Poet of the Ninth Century. 1916.

MLA (9th ed.) Citation

Boyle, Patrick Rev. Sedulius Scotus of Liege, an Irish Scholar and Poet of the Ninth Century. 1916.

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