APA (7th ed.) Citation

(1931). Fortification: Standard types and execution of field fortifications. GPO.

Chicago Style (17th ed.) Citation

Fortification: Standard Types and Execution of Field Fortifications. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

Fortification: Standard Types and Execution of Field Fortifications. GPO, 1931.

Warning: These citations may not always be 100% accurate.