Psychological first aid

MLA

Snider, Leslie, et al. Psychological First Aid : Facilitator's Manual for Orienting Field Workers. Geneva, Switzerland: World Health Organization, 2013.

APA

Snider, L., Schafer, A., Van Ommeren, M., & Saeed, K. (2013). Psychological first aid : facilitator's manual for orienting field workers. Geneva, Switzerland: World Health Organization.

Chicago

Snider, Leslie, Alison Schafer, Mark Van Ommeren, and Khalid Saeed. Psychological First Aid: Facilitator's Manual for Orienting Field Workers. Geneva, Switzerland: World Health Organization, 2013.