Whitaker, W. (1878). The geology of the N.W. part of Essex and the N.E. part of Herts: With parts of Cambridgeshire and Suffolk : (Explanation of sheet 47 of the map (one-inch) of the Geological survey of England and Wales). Printed for H.M.S.O..
Chicago Style (17th ed.) CitationWhitaker, W. The Geology of the N.W. Part of Essex and the N.E. Part of Herts: With Parts of Cambridgeshire and Suffolk : (Explanation of Sheet 47 of the Map (one-inch) of the Geological Survey of England and Wales). London: Printed for H.M.S.O., 1878.
MLA (8th ed.) CitationWhitaker, W. The Geology of the N.W. Part of Essex and the N.E. Part of Herts: With Parts of Cambridgeshire and Suffolk : (Explanation of Sheet 47 of the Map (one-inch) of the Geological Survey of England and Wales). Printed for H.M.S.O., 1878.