APA (7th ed.) Citation

(1998). NATO expansion. Univ. Press of America.

Chicago Style (17th ed.) Citation

NATO Expansion. Lanham [u.a.]: Univ. Press of America, 1998.

MLA (9th ed.) Citation

NATO Expansion. Univ. Press of America, 1998.

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