APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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