Cita APA (7a ed.)

Hyun L & Haule, R. (2004). World peace index 2004: Assessing the state of peace in the nations of the world. world peace forum.

Cita Chicago Style (17a ed.)

Hyun L y R. Haule. World Peace Index 2004: Assessing the State of Peace in the Nations of the World. Korea: world peace forum, 2004.

Cita MLA (9a ed.)

Hyun L y R. Haule. World Peace Index 2004: Assessing the State of Peace in the Nations of the World. world peace forum, 2004.