APA (7th ed.) Citation

(2001). NATO enters the 21. century (1. publ.). Cass.

Chicago Style (17th ed.) Citation

NATO Enters the 21. Century. 1. publ. London [u.a.]: Cass, 2001.

MLA (9th ed.) Citation

NATO Enters the 21. Century. 1. publ. Cass, 2001.

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