APA-Zitierstil (7. Ausg.)

(2001). Worldmark encyclopedia of the nations: A practical guide to the geographic, historical, political, social and economic status of all nations, their internat. relationship, and the United Nations system (10. ed.). Worldmark Pr. [u.a.].

Chicago-Zitierstil (17. Ausg.)

Worldmark Encyclopedia of the Nations: A Practical Guide to the Geographic, Historical, Political, Social and Economic Status of All Nations, Their Internat. Relationship, and the United Nations System. 10. ed. New York [u.a.]: Worldmark Pr. [u.a.], 2001.

MLA-Zitierstil (9. Ausg.)

Worldmark Encyclopedia of the Nations: A Practical Guide to the Geographic, Historical, Political, Social and Economic Status of All Nations, Their Internat. Relationship, and the United Nations System. 10. ed. Worldmark Pr. [u.a.], 2001.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.