Althoff, W. F. (2016). Sky ships: A history of the airship in the United States Navy (25th anniversary edition.). Naval Institute Press.
Chicago-Zitierstil (17. Ausg.)Althoff, William F. Sky Ships: A History of the Airship in the United States Navy. 25th anniversary edition. Annapolis, Maryland: Naval Institute Press, 2016.
MLA-Zitierstil (9. Ausg.)Althoff, William F. Sky Ships: A History of the Airship in the United States Navy. 25th anniversary edition. Naval Institute Press, 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.