APA (7th ed.) Citation

Bonin, U. v., & Barabino, P. (1883). The fortifications of to-day. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Bonin, Udo von, and P. Barabino. The Fortifications of To-day. Washington: Gov. Print. Off, 1883.

MLA (9th ed.) Citation

Bonin, Udo von, and P. Barabino. The Fortifications of To-day. Gov. Print. Off, 1883.