APA
Greenstein S. M., Wade James B, . (1997). Dynamic modelling of the product life cycle in the commercialmainframe computer market, 1968-1982. Cambridge, MA: NBER.
Chicago
Greenstein Shane M, Wade James B, . 1997. Dynamic modelling of the product life cycle in the commercialmainframe computer market, 1968-1982. Cambridge, MA: NBER.
Harvard
Greenstein S. M., Wade James B, . (1997). Dynamic modelling of the product life cycle in the commercialmainframe computer market, 1968-1982. Cambridge, MA: NBER.
MLA
Greenstein Shane M, Wade James B, . Dynamic modelling of the product life cycle in the commercialmainframe computer market, 1968-1982. Cambridge, MA: NBER. 1997.