Jockel, J. T. (1987). No boundaries upstairs: Canada, the United States, and the origins of North American air defence, 1945-1958. University of British Columbia Press.
Chicago Style (17th ed.) CitationJockel, Joseph T. No Boundaries Upstairs: Canada, the United States, and the Origins of North American Air Defence, 1945-1958. Vancouver: University of British Columbia Press, 1987.
MLA (9th ed.) CitationJockel, Joseph T. No Boundaries Upstairs: Canada, the United States, and the Origins of North American Air Defence, 1945-1958. University of British Columbia Press, 1987.
Warning: These citations may not always be 100% accurate.