APA (7th ed.) Citation

Gildas & Stevenson, J. (1838). De Excidio Britannie. Sumpt. Scocietatis.

Chicago Style (17th ed.) Citation

Gildas and Josephus Stevenson. De Excidio Britannie. London: Sumpt. Scocietatis, 1838.

MLA (9th ed.) Citation

Gildas and Josephus Stevenson. De Excidio Britannie. Sumpt. Scocietatis, 1838.

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