Toolis, R., & Bowles, C. R. (2017). The lost Dark Age kingdom of Rheged: The discovery of a royal stronghold at Trusty's Hill, Galloway (Digital edition.). Oxbow Books.
芝加哥风格引文Toolis, Ronan, 与 Christopher R. Bowles. The Lost Dark Age Kingdom of Rheged: The Discovery of a Royal Stronghold at Trusty's Hill, Galloway. Digital edition. Oxford ; Philadelphia: Oxbow Books, 2017.
MLA引文Toolis, Ronan, 与 Christopher R. Bowles. The Lost Dark Age Kingdom of Rheged: The Discovery of a Royal Stronghold at Trusty's Hill, Galloway. Digital edition. Oxbow Books, 2017.
警告：这些引文格式不一定是100％准确.