Hartcup, G. (1970). The challenge of war : scientific and engineering contributions to World War Two: Scientific and engineering contributions to World War Two. David & Charles.
Chicago Style (17th ed.) CitationHartcup, Guy. The Challenge of War : Scientific and Engineering Contributions to World War Two: Scientific and Engineering Contributions to World War Two. Newton Abbot: David & Charles, 1970.
MLA (9th ed.) CitationHartcup, Guy. The Challenge of War : Scientific and Engineering Contributions to World War Two: Scientific and Engineering Contributions to World War Two. David & Charles, 1970.
Warning: These citations may not always be 100% accurate.