APA (7th ed.) Citation

Engel, F. (1957). Handbuch der NATO: [1] [Hauptband]. Handbuch der NATO.

Chicago Style (17th ed.) Citation

Engel, Franz-Wilhelm. "Handbuch Der NATO: [1] [Hauptband]." Handbuch Der NATO 1957.

MLA (8th ed.) Citation

Engel, Franz-Wilhelm. "Handbuch Der NATO: [1] [Hauptband]." Handbuch Der NATO, 1957.

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