Whittard, W. F. (1979). An account of the ordovician rocks of the Shelve Inlier in west Salop and part of north Powys. British Museum (Natural History).
Chicago Style (17th ed.) CitationWhittard, Walter Frederick. An Account of the Ordovician Rocks of the Shelve Inlier in West Salop and Part of North Powys. London: British Museum (Natural History), 1979.
MLA (9th ed.) CitationWhittard, Walter Frederick. An Account of the Ordovician Rocks of the Shelve Inlier in West Salop and Part of North Powys. British Museum (Natural History), 1979.
Warning: These citations may not always be 100% accurate.