Robson, D. A. (1966). A guide to the geology of Northumberland and the Borders / by D.A. Robson. Natural History Society of Northumberland, Durham and Newcastle-upon-Tyne.
Chicago Edition CitationRobson, D. A. A Guide to the Geology of Northumberland and the Borders / by D.A. Robson. Newcastle-upon-Tyne: Natural History Society of Northumberland, Durham and Newcastle-upon-Tyne, 1966.
MLA Edition CitationRobson, D. A. A Guide to the Geology of Northumberland and the Borders / by D.A. Robson. Natural History Society of Northumberland, Durham and Newcastle-upon-Tyne, 1966.
Warning: These citations may not always be 100% accurate.