APA (7th ed.) Citation

Hillen. (1998). Blue helmets: The strategy of UN military operations. Brassey's.

Chicago Style (17th ed.) Citation

Hillen. Blue Helmets: The Strategy of UN Military Operations. Washington: Brassey's, 1998.

MLA (8th ed.) Citation

Hillen. Blue Helmets: The Strategy of UN Military Operations. Brassey's, 1998.

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