Sweetser, A. (1919). The American air service: A record of its problems, its difficulties, its failures, and its final achievements. D. Appleton and company.
Chicago Style (17th ed.) CitationSweetser, Arthur. The American Air Service: A Record of Its Problems, Its Difficulties, Its Failures, and Its Final Achievements. New York: D. Appleton and company, 1919.
MLA (9th ed.) CitationSweetser, Arthur. The American Air Service: A Record of Its Problems, Its Difficulties, Its Failures, and Its Final Achievements. D. Appleton and company, 1919.
Warning: These citations may not always be 100% accurate.