Cita APA (7a ed.)
ebrary, Inc, Boucek, C., & Ottaway, M. (2010). Yemen on the brink. Carnegie Endowment for International Peace.
Cita Chicago Style (17a ed.)
ebrary, Inc, Christopher Boucek, y Marina Ottaway. Yemen on the Brink. Washington, D.C.: Carnegie Endowment for International Peace, 2010.
Cita MLA (9a ed.)
ebrary, Inc, et al. Yemen on the Brink. Carnegie Endowment for International Peace, 2010.
Precaución: Estas citas no son 100% exactas.