Cita APA (7a ed.)
ebrary, Inc, & Álvarez, J. T. (2011). Social security: Background, issues and proposals. Nova Science Publishers.
Cita Chicago Style (17a ed.)
ebrary, Inc, y Jacob T. Álvarez. Social Security: Background, Issues and Proposals. New York: Nova Science Publishers, 2011.
Cita MLA (9a ed.)
ebrary, Inc, y Jacob T. Álvarez. Social Security: Background, Issues and Proposals. Nova Science Publishers, 2011.
Precaución: Estas citas no son 100% exactas.