APA
Barrington-Leigh C., Helliwell John F & National Bureau Of Economic Research. (2008). Empathy and Emulation: Life Satisfaction and the Urban Geogr. Cambridge: NBER.
Chicago
Barrington-Leigh C.P, Helliwell John F and National Bureau Of Economic Research. 2008. Empathy and Emulation: Life Satisfaction and the Urban Geogr. Cambridge: NBER.
Harvard
Barrington-Leigh C., Helliwell John F and National Bureau Of Economic Research. (2008). Empathy and Emulation: Life Satisfaction and the Urban Geogr. Cambridge: NBER.
MLA
Barrington-Leigh C.P, Helliwell John F and National Bureau Of Economic Research. Empathy and Emulation: Life Satisfaction and the Urban Geogr. Cambridge: NBER. 2008.
