APA (7th ed.) Citation

Clarke, D. (1992). A guide to Europe's new security architecture. European security.

Chicago Style (17th ed.) Citation

Clarke, Douglas. "A Guide to Europe's New Security Architecture." European Security 1992.

MLA (8th ed.) Citation

Clarke, Douglas. "A Guide to Europe's New Security Architecture." European Security, 1992.

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