APA

Pfefferbaum B., Gurwitch R. H., McDonald N. B., Leftwich M. J., Sconzo G. M., Messenbaugh A. K. & Schultz R. A. (20000407). Posttraumatic stress among young children after the death of a friend or acquaintance in a terrorist bombing. : Psychiatric services (Washington, D.C.).

Chicago

Pfefferbaum B, Gurwitch R H, McDonald N B, Leftwich M J, Sconzo G M, Messenbaugh A K and Schultz R A. 20000407. Posttraumatic stress among young children after the death of a friend or acquaintance in a terrorist bombing. : Psychiatric services (Washington, D.C.).

Harvard

Pfefferbaum B., Gurwitch R. H., McDonald N. B., Leftwich M. J., Sconzo G. M., Messenbaugh A. K. and Schultz R. A. (20000407). Posttraumatic stress among young children after the death of a friend or acquaintance in a terrorist bombing. : Psychiatric services (Washington, D.C.).

MLA

Pfefferbaum B, Gurwitch R H, McDonald N B, Leftwich M J, Sconzo G M, Messenbaugh A K and Schultz R A. Posttraumatic stress among young children after the death of a friend or acquaintance in a terrorist bombing. : Psychiatric services (Washington, D.C.). 20000407.