APA (7th ed.) Citation

United States. War Department. (1939). Training Regulations No. 1050-5: Symbols for Seacoast Defense Fire-Control Maps, Diagrams, and Structures. [s.n.].

Chicago Style (17th ed.) Citation

United States. War Department. Training Regulations No. 1050-5: Symbols for Seacoast Defense Fire-Control Maps, Diagrams, and Structures. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. War Department. Training Regulations No. 1050-5: Symbols for Seacoast Defense Fire-Control Maps, Diagrams, and Structures. [s.n.], 1939.