APA (7th ed.) Citation

Hutton, W. H. (2007). The Church and the Barbarians Being an Outline of the History of the Church from A.D. 461 to A.D. 1003. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hutton, William Holden. The Church and the Barbarians Being an Outline of the History of the Church from A.D. 461 to A.D. 1003. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Hutton, William Holden. The Church and the Barbarians Being an Outline of the History of the Church from A.D. 461 to A.D. 1003. Project Gutenberg, 2007.

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