Preston, R. A. (1977). The defence of the undefended border: Planning for war in North America, 1867-1939. Montreal: McGill-Queen's University Press.
Chicago Style CitationPreston, Richard Arthur. The Defence of the Undefended Border: Planning for War in North America, 1867-1939. Montreal: McGill-Queen's University Press, 1977.
MLA CitationPreston, Richard Arthur. The Defence of the Undefended Border: Planning for War in North America, 1867-1939. Montreal: McGill-Queen's University Press, 1977.
Warning: These citations may not always be 100% accurate.