Cita APA (7th ed.)
van Zanden, J. L. (2014). How was life?: Gobal well-being since 1820. OECD : Clio Infra.
Cita Chicago (17th ed.)
van Zanden, Jan Luiten. How Was Life?: Gobal Well-being Since 1820. Paris, France: OECD : Clio Infra, 2014.
Cita MLA (9th ed.)
van Zanden, Jan Luiten. How Was Life?: Gobal Well-being Since 1820. OECD : Clio Infra, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.