Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Precaución: Estas citas no son 100% exactas.