APA (7th ed.) Citation

Hillen. (2000). Blue Helmets: The strategy of UN military operations (2nd ed.). Brassey's.

Chicago Style (17th ed.) Citation

Hillen. Blue Helmets: The Strategy of UN Military Operations. 2nd ed. Washington: Brassey's, 2000.

MLA (9th ed.) Citation

Hillen. Blue Helmets: The Strategy of UN Military Operations. 2nd ed. Brassey's, 2000.

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