Corporate and legal history of United Air Lines.
APA Citation
Mayer, M., Delfino, A. G., United Air Lines, I. (195365). Corporate and legal history of United Air Lines. Chicago: Twentieth Century Press.
MLA Citation
Mayer, Meyer, Austrian and Platt, Chicago, Adriano G Delfino, and Inc United Air Lines. Corporate And Legal History of United Air Lines. Chicago: Twentieth Century Press, 195365.
Warning: These citations may not always be complete (especially for serials).