Cita APA (7a ed.)
(2013). Time: March - April 2013. Time Magazines Europe Ltd.
Cita Chicago Style (17a ed.)
Time: March - April 2013. London: Time Magazines Europe Ltd, 2013.
Cita MLA (9a ed.)
Time: March - April 2013. Time Magazines Europe Ltd, 2013.
Precaución: Estas citas no son 100% exactas.