Cita APA (7a ed.)
ebrary, Inc, & Bigo, D. (2010). Europe's 21st century challenge: Delivering liberty. Ashgate.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Didier Bigo. Europe's 21st Century Challenge: Delivering Liberty. Farnham, Surrey, [England] ; Burlington, VT: Ashgate, 2010.
Cita MLA (9a ed.)
ebrary, Inc, y Didier Bigo. Europe's 21st Century Challenge: Delivering Liberty. Ashgate, 2010.
Precaución: Estas citas no son 100% exactas.