APA (7th ed.) Citation

United States. Air Force. (1968). Aids to identification of flying objects. [For sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Chicago Style (17th ed.) Citation

United States. Air Force. Aids to Identification of Flying Objects. [Washington]: [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1968.

MLA (9th ed.) Citation

United States. Air Force. Aids to Identification of Flying Objects. [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1968.