APA (7th ed.) Citation

(1926). Fortification: Principles of field fortification. GPO.

Chicago Style (17th ed.) Citation

Fortification: Principles of Field Fortification. [Washington]: GPO, 1926.

MLA (9th ed.) Citation

Fortification: Principles of Field Fortification. GPO, 1926.

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