Donovan, D. T., & Kellaway, G. A. (1984). Geology of the Bristol district : the Lower Jurassic Rocks : memoir for 1;63 360 Bristol geological special sheet / D.T. Donovan and G.A. Kellaway: The Lower Jurassic Rocks : memoir for 1;63 360 Bristol geological special sheet. H.M.S.O..
Chicago Style (17th ed.) CitationDonovan, D. T., and G. A. Kellaway. Geology of the Bristol District : The Lower Jurassic Rocks : Memoir for 1;63 360 Bristol Geological Special Sheet / D.T. Donovan and G.A. Kellaway: The Lower Jurassic Rocks : Memoir for 1;63 360 Bristol Geological Special Sheet. London: H.M.S.O., 1984.
MLA (9th ed.) CitationDonovan, D. T., and G. A. Kellaway. Geology of the Bristol District : The Lower Jurassic Rocks : Memoir for 1;63 360 Bristol Geological Special Sheet / D.T. Donovan and G.A. Kellaway: The Lower Jurassic Rocks : Memoir for 1;63 360 Bristol Geological Special Sheet. H.M.S.O., 1984.