APA (7th ed.) Citation

Gildas, S. 5., & Winterbottom, M. (1978). The ruin of Britain and other works. Arthurian period sources.

Chicago Style (17th ed.) Citation

Gildas, Sapiens 504-570, and Michael Winterbottom. "The Ruin of Britain and Other Works." Arthurian Period Sources 1978.

MLA (8th ed.) Citation

Gildas, Sapiens 504-570, and Michael Winterbottom. "The Ruin of Britain and Other Works." Arthurian Period Sources, 1978.

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