APA (7th ed.) Citation

Owen, D. (1999). Lighter than air: An illustrated history of the development of hot-air balloons and airships. Apple.

Chicago Style (17th ed.) Citation

Owen, David. Lighter than Air: An Illustrated History of the Development of Hot-air Balloons and Airships. London: Apple, 1999.

MLA (9th ed.) Citation

Owen, David. Lighter than Air: An Illustrated History of the Development of Hot-air Balloons and Airships. Apple, 1999.