Seymour, W. A., & Andrews, J. H. (1980). A history of the Ordnance Survey / edited by W.A. Seymour ; with contributions by J.H. Andrews ... (et. al.). Dawson.
Chicago Style (17th ed.) CitationSeymour, W. A., and J. H. Andrews. A History of the Ordnance Survey / Edited by W.A. Seymour ; with Contributions by J.H. Andrews ... (et. Al.). Folkestone: Dawson, 1980.
MLA (9th ed.) CitationSeymour, W. A., and J. H. Andrews. A History of the Ordnance Survey / Edited by W.A. Seymour ; with Contributions by J.H. Andrews ... (et. Al.). Dawson, 1980.
Warning: These citations may not always be 100% accurate.