Gustin & Williams. (2003). Flying guns: World war I and its aftermath 1914-32. Airlife.
Chicago Style (17th ed.) CitationGustin and Williams. Flying Guns: World War I and Its Aftermath 1914-32. Wiltshire: Airlife, 2003.
MLA (8th ed.) CitationGustin and Williams. Flying Guns: World War I and Its Aftermath 1914-32. Airlife, 2003.
Warning: These citations may not always be 100% accurate.