Citazione Stile APA (7a Edizione)

World Health Organization. (2011). Psychological first aid: Guide for field workers. World Health Organization.

Citazione stile Chigago Style (17a edizione)

World Health Organization. Psychological First Aid: Guide for Field Workers. Geneva, Switzerland: World Health Organization, 2011.

Citatione MLA (8a ed.)

World Health Organization. Psychological First Aid: Guide for Field Workers. World Health Organization, 2011.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.