Petrie, G. (1845). The Ecclesiastical Architecture of Ireland, Anterior to the Anglo-Norman Invasion: Comprising an Essay on the Origin and Uses of the Round Towers of Ireland. Cambridge University Press. https://doi.org/10.1017/CBO9781316036297
Chicago Style (17th ed.) CitationPetrie, George. The Ecclesiastical Architecture of Ireland, Anterior to the Anglo-Norman Invasion: Comprising an Essay on the Origin and Uses of the Round Towers of Ireland. Cambridge: Cambridge University Press, 1845. https://doi.org/10.1017/CBO9781316036297.
MLA (9th ed.) CitationPetrie, George. The Ecclesiastical Architecture of Ireland, Anterior to the Anglo-Norman Invasion: Comprising an Essay on the Origin and Uses of the Round Towers of Ireland. Cambridge University Press, 1845. https://doi.org/10.1017/CBO9781316036297.