Ussher, W. A. E., Chatwin, C. P., & Shannon, W. G. S. J. (1933). The geology of the country around Torquay (2nd edition (revised) by W. Lloyd; with palaeontology by C.P. Chatwin ... and a chapter on the Igneous rocks, by W.G. Shannon.). H.M. Stationery off..
Cita Chicago Style (17a ed.)Ussher, W. A. E., C. P. Chatwin, y William George St. John Shannon. The Geology of the Country Around Torquay. 2nd edition (revised) by W. Lloyd; with palaeontology by C.P. Chatwin ... and a chapter on the Igneous rocks, by W.G. Shannon. London: H.M. Stationery off., 1933.
Cita MLA (8a ed.)Ussher, W. A. E., et al. The Geology of the Country Around Torquay. 2nd edition (revised) by W. Lloyd; with palaeontology by C.P. Chatwin ... and a chapter on the Igneous rocks, by W.G. Shannon. H.M. Stationery off., 1933.