APA
Ekeland I., Nesheim Lars P, Heckman James J & National Bureau Of Economic Research. (2003). Identification and estimation of hedonic models. Cambridge, MA: NBER.
Chicago
Ekeland Ivar, Nesheim Lars P, Heckman James J and National Bureau Of Economic Research. 2003. Identification and estimation of hedonic models. Cambridge, MA: NBER.
Harvard
Ekeland I., Nesheim Lars P, Heckman James J and National Bureau Of Economic Research. (2003). Identification and estimation of hedonic models. Cambridge, MA: NBER.
MLA
Ekeland Ivar, Nesheim Lars P, Heckman James J and National Bureau Of Economic Research. Identification and estimation of hedonic models. Cambridge, MA: NBER. 2003.