APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.