Cita APA (7a ed.)

Athey, S., & Stern, S. (1998). The adoption and impact of advanced emergency response services. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Athey, Susan, y Scott Stern. The Adoption and Impact of Advanced Emergency Response Services. Cambridge, MA: National Bureau of Economic Research, 1998.

Cita MLA (9a ed.)

Athey, Susan, y Scott Stern. The Adoption and Impact of Advanced Emergency Response Services. National Bureau of Economic Research, 1998.