Cita APA (7a ed.)
Craig, S. G., & Heikkila, E. J. (1989). Urban safety in Vancouver: Allocation and production of a congestible public good. Canadian Journal of Economics, 22, 867-885.
Cita Chicago Style (17a ed.)
Craig, Steven G., y Eric J. Heikkila. "Urban Safety in Vancouver: Allocation and Production of a Congestible Public Good." Canadian Journal of Economics 22 (1989): 867-885.
Cita MLA (9a ed.)
Craig, Steven G., y Eric J. Heikkila. "Urban Safety in Vancouver: Allocation and Production of a Congestible Public Good." Canadian Journal of Economics, vol. 22, 1989, pp. 867-885.
Precaución: Estas citas no son 100% exactas.