Dixon, E. E. L. (1926). The geology of the Carlisle, Longtown and Silloth District. H.M.S.O..
Chicago Style (17th ed.) CitationDixon, E. E. L. The Geology of the Carlisle, Longtown and Silloth District. London: H.M.S.O., 1926.
MLA (8th ed.) CitationDixon, E. E. L. The Geology of the Carlisle, Longtown and Silloth District. H.M.S.O., 1926.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.