Coast artillery field manual :
Antiaircraft artillery : Service of the piece, 105-mm antiaircraft gun /
prepared under direction of the Chief of Coast Artillery.

APA Citation

United States. War Department. (1940). Coast artillery field manual: Antiaircraft artillery : Service of the piece, 105-mm antiaircraft gun. Washington, D.C.: G.P.O..

MLA Citation

United States. War Department. Coast Artillery Field Manual: Antiaircraft Artillery : Service of the Piece, 105-mm Antiaircraft Gun. Washington, D.C.: G.P.O., 1940.

Warning: These citations may not always be complete (especially for serials).