Cita APA (7th ed.)

Costa, D. L. (1999). American living standards: Evidence from recreational expenditures. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Costa, Dora L. American Living Standards: Evidence from Recreational Expenditures. Cambridge: National Bureau of Economic Research, 1999.

Cita MLA (9th ed.)

Costa, Dora L. American Living Standards: Evidence from Recreational Expenditures. National Bureau of Economic Research, 1999.