APA način citiranja

Cowles Education Corporation. (1968). Cowles encyclopedia of nations. Cowles Education Corp.

Čikaški stil citiranja

Cowles Education Corporation. Cowles Encyclopedia of Nations. [New York]: Cowles Education Corp, 1968.

MLA način citiranja

Cowles Education Corporation. Cowles Encyclopedia of Nations. Cowles Education Corp, 1968.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.